20124845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{757}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 26105520

約数和(自身を除く): 5980675

約数列:

[1, 5, 13, 65, 409, 757, 2045, 3785, 5317, 9841, 26585, 49205, 309613, 1548065, 4024969, 20124845]

約数ペア:

[(1, 20124845), (5, 4024969), (13, 1548065), (65, 309613), (409, 49205), (757, 26585), (2045, 9841), (3785, 5317)]