20787584012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3881177}}^1$

素因数の和:3881297

約数の個数: 24

約数和(自身を含む): 39556966176

約数和(自身を除く): 18769382164

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 3881177, 7762354, 15524708, 50455301, 100910602, 201821204, 399761231, 799522462, 1599044924, 5196896003, 10393792006, 20787584012]

約数ペア:

[(1, 20787584012), (2, 10393792006), (4, 5196896003), (13, 1599044924), (26, 799522462), (52, 399761231), (103, 201821204), (206, 100910602), (412, 50455301), (1339, 15524708), (2678, 7762354), (5356, 3881177)]