20702456

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{4967}}^1$

素因数の和:5494

約数の個数: 16

約数和(自身を含む): 38899440

約数和(自身を除く): 18196984

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 4967, 9934, 19868, 39736, 2587807, 5175614, 10351228, 20702456]

約数ペア:

[(1, 20702456), (2, 10351228), (4, 5175614), (8, 2587807), (521, 39736), (1042, 19868), (2084, 9934), (4168, 4967)]