20343815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1747}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 26052192

約数和(自身を除く): 5708377

約数列:

[1, 5, 17, 85, 137, 685, 1747, 2329, 8735, 11645, 29699, 148495, 239339, 1196695, 4068763, 20343815]

約数ペア:

[(1, 20343815), (5, 4068763), (17, 1196695), (85, 239339), (137, 148495), (685, 29699), (1747, 11645), (2329, 8735)]