20518088

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{22697}}^1$

素因数の和:22816

約数の個数: 16

約数和(自身を含む): 38813580

約数和(自身を除く): 18295492

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 22697, 45394, 90788, 181576, 2564761, 5129522, 10259044, 20518088]

約数ペア:

[(1, 20518088), (2, 10259044), (4, 5129522), (8, 2564761), (113, 181576), (226, 90788), (452, 45394), (904, 22697)]