20158032027

素因数分解:

$3^1\times 7^1\times {\mathrm{2377}}^1\times {\mathrm{403831}}^1$

素因数の和:406218

約数の個数: 16

約数和(自身を含む): 30729999872

約数和(自身を除く): 10571967845

約数列:

[1, 3, 7, 21, 2377, 7131, 16639, 49917, 403831, 1211493, 2826817, 8480451, 959906287, 2879718861, 6719344009, 20158032027]

約数ペア:

[(1, 20158032027), (3, 6719344009), (7, 2879718861), (21, 959906287), (2377, 8480451), (7131, 2826817), (16639, 1211493), (49917, 403831)]