20009121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2719}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 29245440

約数和(自身を除く): 9236319

約数列:

[1, 3, 11, 33, 223, 669, 2453, 2719, 7359, 8157, 29909, 89727, 606337, 1819011, 6669707, 20009121]

約数ペア:

[(1, 20009121), (3, 6669707), (11, 1819011), (33, 606337), (223, 89727), (669, 29909), (2453, 8157), (2719, 7359)]