20420236450

素因数分解:

$2^1\times 5^2\times {\mathrm{408404729}}^1$

素因数の和:408404741

約数の個数: 12

約数和(自身を含む): 37981639890

約数和(自身を除く): 17561403440

約数列:

[1, 2, 5, 10, 25, 50, 408404729, 816809458, 2042023645, 4084047290, 10210118225, 20420236450]

約数ペア:

[(1, 20420236450), (2, 10210118225), (5, 4084047290), (10, 2042023645), (25, 816809458), (50, 408404729)]