20168766051

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56495143}}^1$

素因数の和:56495170

約数の個数: 16

約数和(自身を含む): 32541202944

約数和(自身を除く): 12372436893

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56495143, 169485429, 395466001, 960417431, 1186398003, 2881252293, 6722922017, 20168766051]

約数ペア:

[(1, 20168766051), (3, 6722922017), (7, 2881252293), (17, 1186398003), (21, 960417431), (51, 395466001), (119, 169485429), (357, 56495143)]