20275241

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 23831808

約数和(自身を除く): 3556567

約数列:

[1, 7, 61, 103, 427, 461, 721, 3227, 6283, 28121, 43981, 47483, 196847, 332381, 2896463, 20275241]

約数ペア:

[(1, 20275241), (7, 2896463), (61, 332381), (103, 196847), (427, 47483), (461, 43981), (721, 28121), (3227, 6283)]