20100239

素因数分解:

${\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:634

約数の個数: 12

約数和(自身を含む): 21536664

約数和(自身を除く): 1436425

約数列:

[1, 17, 157, 289, 443, 2669, 7531, 45373, 69551, 128027, 1182367, 20100239]

約数ペア:

[(1, 20100239), (17, 1182367), (157, 128027), (289, 69551), (443, 45373), (2669, 7531)]