20859920072

素因数分解:

$2^3\times {\mathrm{709}}^1\times {\mathrm{3677701}}^1$

素因数の和:3678416

約数の個数: 16

約数和(自身を含む): 39167526300

約数和(自身を除く): 18307606228

約数列:

[1, 2, 4, 8, 709, 1418, 2836, 5672, 3677701, 7355402, 14710804, 29421608, 2607490009, 5214980018, 10429960036, 20859920072]

約数ペア:

[(1, 20859920072), (2, 10429960036), (4, 5214980018), (8, 2607490009), (709, 29421608), (1418, 14710804), (2836, 7355402), (5672, 3677701)]