20645174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55201}}^1$

素因数の和:55231

約数の個数: 16

約数和(自身を含む): 35770896

約数和(自身を除く): 15125722

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55201, 110402, 607211, 938417, 1214422, 1876834, 10322587, 20645174]

約数ペア:

[(1, 20645174), (2, 10322587), (11, 1876834), (17, 1214422), (22, 938417), (34, 607211), (187, 110402), (374, 55201)]