20199766480

素因数分解:

$2^4\times 5^1\times {\mathrm{252497081}}^1$

素因数の和:252497094

約数の個数: 20

約数和(自身を含む): 46964457252

約数和(自身を除く): 26764690772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252497081, 504994162, 1009988324, 1262485405, 2019976648, 2524970810, 4039953296, 5049941620, 10099883240, 20199766480]

約数ペア:

[(1, 20199766480), (2, 10099883240), (4, 5049941620), (5, 4039953296), (8, 2524970810), (10, 2019976648), (16, 1262485405), (20, 1009988324), (40, 504994162), (80, 252497081)]