20512057150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31557011}}^1$

素因数の和:31557036

約数の個数: 24

約数和(自身を含む): 41087229624

約数和(自身を除く): 20575172474

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31557011, 63114022, 157785055, 315570110, 410241143, 788925275, 820482286, 1577850550, 2051205715, 4102411430, 10256028575, 20512057150]

約数ペア:

[(1, 20512057150), (2, 10256028575), (5, 4102411430), (10, 2051205715), (13, 1577850550), (25, 820482286), (26, 788925275), (50, 410241143), (65, 315570110), (130, 157785055), (325, 63114022), (650, 31557011)]