20591913

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5531}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 29474496

約数和(自身を除く): 8882583

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5531, 16593, 94027, 282081, 403763, 1211289, 6863971, 20591913]

約数ペア:

[(1, 20591913), (3, 6863971), (17, 1211289), (51, 403763), (73, 282081), (219, 94027), (1241, 16593), (3723, 5531)]