20729641539

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{2137}}^1\times {\mathrm{21701}}^1$

素因数の和:23990

約数の個数: 16

約数和(自身を含む): 27839325600

約数和(自身を除く): 7109684061

約数列:

[1, 3, 149, 447, 2137, 6411, 21701, 65103, 318413, 955239, 3233449, 9700347, 46375037, 139125111, 6909880513, 20729641539]

約数ペア:

[(1, 20729641539), (3, 6909880513), (149, 139125111), (447, 46375037), (2137, 9700347), (6411, 3233449), (21701, 955239), (65103, 318413)]