20157322838

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{474223}}^1$

素因数の和:474679

約数の個数: 16

約数和(自身を含む): 30883363776

約数和(自身を除く): 10726040938

約数列:

[1, 2, 53, 106, 401, 802, 21253, 42506, 474223, 948446, 25133819, 50267638, 190163423, 380326846, 10078661419, 20157322838]

約数ペア:

[(1, 20157322838), (2, 10078661419), (53, 380326846), (106, 190163423), (401, 50267638), (802, 25133819), (21253, 948446), (42506, 474223)]