20107845080

素因数分解:

$2^3\times 5^1\times {\mathrm{502696127}}^1$

素因数の和:502696138

約数の個数: 16

約数和(自身を含む): 45242651520

約数和(自身を除く): 25134806440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502696127, 1005392254, 2010784508, 2513480635, 4021569016, 5026961270, 10053922540, 20107845080]

約数ペア:

[(1, 20107845080), (2, 10053922540), (4, 5026961270), (5, 4021569016), (8, 2513480635), (10, 2010784508), (20, 1005392254), (40, 502696127)]