20373730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2957}}^1$

素因数の和:3030

約数の個数: 32

約数和(自身を含む): 40252464

約数和(自身を除く): 19878734

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2957, 3445, 5914, 6890, 14785, 29570, 38441, 76882, 156721, 192205, 313442, 384410, 783605, 1567210, 2037373, 4074746, 10186865, 20373730]

約数ペア:

[(1, 20373730), (2, 10186865), (5, 4074746), (10, 2037373), (13, 1567210), (26, 783605), (53, 384410), (65, 313442), (106, 192205), (130, 156721), (265, 76882), (530, 38441), (689, 29570), (1378, 14785), (2957, 6890), (3445, 5914)]