20399434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2213}}^1$

素因数の和:2645

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 13076246

約数列:

[1, 2, 11, 22, 419, 838, 2213, 4426, 4609, 9218, 24343, 48686, 927247, 1854494, 10199717, 20399434]

約数ペア:

[(1, 20399434), (2, 10199717), (11, 1854494), (22, 927247), (419, 48686), (838, 24343), (2213, 9218), (4426, 4609)]