20417416

素因数分解:

$2^3\times {\mathrm{1531}}^1\times {\mathrm{1667}}^1$

素因数の和:3204

約数の個数: 16

約数和(自身を含む): 38330640

約数和(自身を除く): 17913224

約数列:

[1, 2, 4, 8, 1531, 1667, 3062, 3334, 6124, 6668, 12248, 13336, 2552177, 5104354, 10208708, 20417416]

約数ペア:

[(1, 20417416), (2, 10208708), (4, 5104354), (8, 2552177), (1531, 13336), (1667, 12248), (3062, 6668), (3334, 6124)]