20979822

素因数分解:

$2^1\times 3^1\times {\mathrm{191}}^1\times {\mathrm{18307}}^1$

素因数の和:18503

約数の個数: 16

約数和(自身を含む): 42181632

約数和(自身を除く): 21201810

約数列:

[1, 2, 3, 6, 191, 382, 573, 1146, 18307, 36614, 54921, 109842, 3496637, 6993274, 10489911, 20979822]

約数ペア:

[(1, 20979822), (2, 10489911), (3, 6993274), (6, 3496637), (191, 109842), (382, 54921), (573, 36614), (1146, 18307)]