20173968025

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{467}}^1\times {\mathrm{10601}}^1$

素因数の和:11241

約数の個数: 24

約数和(自身を含む): 25225465824

約数和(自身を除く): 5051497799

約数列:

[1, 5, 25, 163, 467, 815, 2335, 4075, 10601, 11675, 53005, 76121, 265025, 380605, 1727963, 1903025, 4950667, 8639815, 24753335, 43199075, 123766675, 806958721, 4034793605, 20173968025]

約数ペア:

[(1, 20173968025), (5, 4034793605), (25, 806958721), (163, 123766675), (467, 43199075), (815, 24753335), (2335, 8639815), (4075, 4950667), (10601, 1903025), (11675, 1727963), (53005, 380605), (76121, 265025)]