20237539

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{17957}}^1$

素因数の和:17994

約数の個数: 12

約数和(自身を含む): 24566544

約数和(自身を除く): 4329005

約数列:

[1, 7, 23, 49, 161, 1127, 17957, 125699, 413011, 879893, 2891077, 20237539]

約数ペア:

[(1, 20237539), (7, 2891077), (23, 879893), (49, 413011), (161, 125699), (1127, 17957)]