20173418525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{220897}}^1$

素因数の和:221201

約数の個数: 24

約数和(自身を含む): 27035264424

約数和(自身を除く): 6861845899

約数列:

[1, 5, 13, 25, 65, 281, 325, 1405, 3653, 7025, 18265, 91325, 220897, 1104485, 2871661, 5522425, 14358305, 62072057, 71791525, 310360285, 806936741, 1551801425, 4034683705, 20173418525]

約数ペア:

[(1, 20173418525), (5, 4034683705), (13, 1551801425), (25, 806936741), (65, 310360285), (281, 71791525), (325, 62072057), (1405, 14358305), (3653, 5522425), (7025, 2871661), (18265, 1104485), (91325, 220897)]