20599943

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 26219088

約数和(自身を除く): 5619145

約数列:

[1, 7, 13, 49, 73, 91, 443, 511, 637, 949, 3101, 3577, 5759, 6643, 21707, 32339, 40313, 46501, 226373, 282191, 420407, 1584611, 2942849, 20599943]

約数ペア:

[(1, 20599943), (7, 2942849), (13, 1584611), (49, 420407), (73, 282191), (91, 226373), (443, 46501), (511, 40313), (637, 32339), (949, 21707), (3101, 6643), (3577, 5759)]