20166027920

素因数分解:

$2^4\times 5^1\times {\mathrm{252075349}}^1$

素因数の和:252075362

約数の個数: 20

約数和(自身を含む): 46886015100

約数和(自身を除く): 26719987180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252075349, 504150698, 1008301396, 1260376745, 2016602792, 2520753490, 4033205584, 5041506980, 10083013960, 20166027920]

約数ペア:

[(1, 20166027920), (2, 10083013960), (4, 5041506980), (5, 4033205584), (8, 2520753490), (10, 2016602792), (16, 1260376745), (20, 1008301396), (40, 504150698), (80, 252075349)]