20342397

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 28041728

約数和(自身を除く): 7699331

約数列:

[1, 3, 43, 103, 129, 309, 1531, 4429, 4593, 13287, 65833, 157693, 197499, 473079, 6780799, 20342397]

約数ペア:

[(1, 20342397), (3, 6780799), (43, 473079), (103, 197499), (129, 157693), (309, 65833), (1531, 13287), (4429, 4593)]