20210155

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9787}}^1$

素因数の和:9858

約数の個数: 16

約数和(自身を含む): 28189440

約数和(自身を除く): 7979285

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 9787, 48935, 68509, 342545, 577433, 2887165, 4042031, 20210155]

約数ペア:

[(1, 20210155), (5, 4042031), (7, 2887165), (35, 577433), (59, 342545), (295, 68509), (413, 48935), (2065, 9787)]