20910578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47309}}^1$

素因数の和:47341

約数の個数: 16

約数和(自身を含む): 35766360

約数和(自身を除く): 14855782

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47309, 94618, 615017, 804253, 1230034, 1608506, 10455289, 20910578]

約数ペア:

[(1, 20910578), (2, 10455289), (13, 1608506), (17, 1230034), (26, 804253), (34, 615017), (221, 94618), (442, 47309)]