20177793215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{911167}}^1$

素因数の和:911318

約数の個数: 16

約数和(自身を含む): 25017028608

約数和(自身を除く): 4839235393

約数列:

[1, 5, 43, 103, 215, 515, 4429, 22145, 911167, 4555835, 39180181, 93850201, 195900905, 469251005, 4035558643, 20177793215]

約数ペア:

[(1, 20177793215), (5, 4035558643), (43, 469251005), (103, 195900905), (215, 93850201), (515, 39180181), (4429, 4555835), (22145, 911167)]