20098103650225

素因数分解:

$5^2\times {\mathrm{431}}^1\times {\mathrm{1031}}^1\times {\mathrm{1809169}}^1$

素因数の和:1810641

約数の個数: 24

約数和(自身を含む): 25003713588480

約数和(自身を除く): 4905609938255

約数列:

[1, 5, 25, 431, 1031, 2155, 5155, 10775, 25775, 444361, 1809169, 2221805, 9045845, 11109025, 45229225, 779751839, 1865253239, 3898759195, 9326266195, 19493795975, 46631330975, 803924146009, 4019620730045, 20098103650225]

約数ペア:

[(1, 20098103650225), (5, 4019620730045), (25, 803924146009), (431, 46631330975), (1031, 19493795975), (2155, 9326266195), (5155, 3898759195), (10775, 1865253239), (25775, 779751839), (444361, 45229225), (1809169, 11109025), (2221805, 9045845)]