|
%I #17 Oct 23 2017 19:47:39
%S 1,2,4,5,10,11,20,22,44,55,110,220
%N Divisors of 220.
%C This number has twelve divisors that add up to 504, and 504 - 220 = 284, so 220 is an abundant number. In turn, 284 is a deficient number with six divisors (see A018373) which also add up to 504, and 504 - 284 = 220. - _Alonso del Arte_, Oct 22 2017
%H <a href="/index/Di#divisors">Index entries for sequences related to divisors of numbers</a>
%t Divisors[220] (* _Alonso del Arte_, Oct 22 2017 *)
%o (PARI) divisors(220) \\ _Charles R Greathouse IV_, Jun 22 2017
%Y Cf. A063990, A259180.
%K nonn,fini,full,easy
%O 1,2
%A _N. J. A. Sloane_.
|
