20311045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 25597440

約数和(自身を除く): 5286395

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2221, 9145, 11105, 68851, 131039, 344255, 655195, 4062209, 20311045]

約数ペア:

[(1, 20311045), (5, 4062209), (31, 655195), (59, 344255), (155, 131039), (295, 68851), (1829, 11105), (2221, 9145)]