20175472

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11159}}^1$

素因数の和:11280

約数の個数: 20

約数和(自身を含む): 39439440

約数和(自身を除く): 19263968

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11159, 22318, 44636, 89272, 178544, 1260967, 2521934, 5043868, 10087736, 20175472]

約数ペア:

[(1, 20175472), (2, 10087736), (4, 5043868), (8, 2521934), (16, 1260967), (113, 178544), (226, 89272), (452, 44636), (904, 22318), (1808, 11159)]