20129221437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1\times {\mathrm{247309}}^1$

素因数の和:249412

約数の個数: 16

約数和(自身を含む): 28917463680

約数和(自身を除く): 8788242243

約数列:

[1, 3, 13, 39, 2087, 6261, 27131, 81393, 247309, 741927, 3215017, 9645051, 516133883, 1548401649, 6709740479, 20129221437]

約数ペア:

[(1, 20129221437), (3, 6709740479), (13, 1548401649), (39, 516133883), (2087, 9645051), (6261, 3215017), (27131, 741927), (81393, 247309)]