20945650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38083}}^1$

素因数の和:38106

約数の個数: 24

約数和(自身を含む): 42501744

約数和(自身を除く): 21556094

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38083, 76166, 190415, 380830, 418913, 837826, 952075, 1904150, 2094565, 4189130, 10472825, 20945650]

約数ペア:

[(1, 20945650), (2, 10472825), (5, 4189130), (10, 2094565), (11, 1904150), (22, 952075), (25, 837826), (50, 418913), (55, 380830), (110, 190415), (275, 76166), (550, 38083)]