20824011

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13691}}^1$

素因数の和:13723

約数の個数: 18

約数和(自身を含む): 32573268

約数和(自身を除く): 11749257

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13691, 41073, 123219, 177983, 533949, 1601847, 2313779, 6941337, 20824011]

約数ペア:

[(1, 20824011), (3, 6941337), (9, 2313779), (13, 1601847), (39, 533949), (117, 177983), (169, 123219), (507, 41073), (1521, 13691)]