20321291236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{267385411}}^1$

素因数の和:267385434

約数の個数: 12

約数和(自身を含む): 37433957680

約数和(自身を除く): 17112666444

約数列:

[1, 2, 4, 19, 38, 76, 267385411, 534770822, 1069541644, 5080322809, 10160645618, 20321291236]

約数ペア:

[(1, 20321291236), (2, 10160645618), (4, 5080322809), (19, 1069541644), (38, 534770822), (76, 267385411)]