20850702940

素因数分解:

$2^2\times 5^1\times {\mathrm{6571}}^1\times {\mathrm{158657}}^1$

素因数の和:165237

約数の個数: 24

約数和(自身を含む): 43793415792

約数和(自身を除く): 22942712852

約数列:

[1, 2, 4, 5, 10, 20, 6571, 13142, 26284, 32855, 65710, 131420, 158657, 317314, 634628, 793285, 1586570, 3173140, 1042535147, 2085070294, 4170140588, 5212675735, 10425351470, 20850702940]

約数ペア:

[(1, 20850702940), (2, 10425351470), (4, 5212675735), (5, 4170140588), (10, 2085070294), (20, 1042535147), (6571, 3173140), (13142, 1586570), (26284, 793285), (32855, 634628), (65710, 317314), (131420, 158657)]