20432399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 22867488

約数和(自身を除く): 2435089

約数列:

[1, 13, 37, 107, 397, 481, 1391, 3959, 5161, 14689, 42479, 51467, 190957, 552227, 1571723, 20432399]

約数ペア:

[(1, 20432399), (13, 1571723), (37, 552227), (107, 190957), (397, 51467), (481, 42479), (1391, 14689), (3959, 5161)]