20486914

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4421}}^1$

素因数の和:4761

約数の個数: 16

約数和(自身を含む): 35234496

約数和(自身を除く): 14747582

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4421, 4634, 8842, 30947, 61894, 1463351, 2926702, 10243457, 20486914]

約数ペア:

[(1, 20486914), (2, 10243457), (7, 2926702), (14, 1463351), (331, 61894), (662, 30947), (2317, 8842), (4421, 4634)]