20403856255

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4126159}}^1$

素因数の和:4126230

約数の個数: 16

約数和(自身を含む): 26143349760

約数和(自身を除く): 5739493505

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 4126159, 20630795, 94901657, 177424837, 474508285, 887124185, 4080771251, 20403856255]

約数ペア:

[(1, 20403856255), (5, 4080771251), (23, 887124185), (43, 474508285), (115, 177424837), (215, 94901657), (989, 20630795), (4945, 4126159)]