22009967

素因数分解:

$7^4\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 20

約数和(自身を含む): 26217360

約数和(自身を除く): 4207393

約数列:

[1, 7, 49, 89, 103, 343, 623, 721, 2401, 4361, 5047, 9167, 30527, 35329, 64169, 213689, 247303, 449183, 3144281, 22009967]

約数ペア:

[(1, 22009967), (7, 3144281), (49, 449183), (89, 247303), (103, 213689), (343, 64169), (623, 35329), (721, 30527), (2401, 9167), (4361, 5047)]