20724333

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1493}}^1$

素因数の和:2164

約数の個数: 16

約数和(自身を含む): 31648896

約数和(自身を除く): 10924563

約数列:

[1, 3, 7, 21, 661, 1493, 1983, 4479, 4627, 10451, 13881, 31353, 986873, 2960619, 6908111, 20724333]

約数ペア:

[(1, 20724333), (3, 6908111), (7, 2960619), (21, 986873), (661, 31353), (1493, 13881), (1983, 10451), (4479, 4627)]