20390070405

素因数分解:

$3^1\times 5^1\times {\mathrm{6871}}^1\times {\mathrm{197837}}^1$

素因数の和:204716

約数の個数: 16

約数和(自身を含む): 32629025664

約数和(自身を除く): 12238955259

約数列:

[1, 3, 5, 15, 6871, 20613, 34355, 103065, 197837, 593511, 989185, 2967555, 1359338027, 4078014081, 6796690135, 20390070405]

約数ペア:

[(1, 20390070405), (3, 6796690135), (5, 4078014081), (15, 1359338027), (6871, 2967555), (20613, 989185), (34355, 593511), (103065, 197837)]