20157137

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1549}}^1$

素因数の和:1593

約数の個数: 24

約数和(自身を含む): 27230400

約数和(自身を除く): 7073263

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1549, 1859, 10843, 13013, 17039, 20137, 119273, 140959, 221507, 261781, 1550549, 1832467, 2879591, 20157137]

約数ペア:

[(1, 20157137), (7, 2879591), (11, 1832467), (13, 1550549), (77, 261781), (91, 221507), (143, 140959), (169, 119273), (1001, 20137), (1183, 17039), (1549, 13013), (1859, 10843)]