20415495

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8669}}^1$

素因数の和:8834

約数の個数: 16

約数和(自身を含む): 32876640

約数和(自身を除く): 12461145

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8669, 26007, 43345, 130035, 1361033, 4083099, 6805165, 20415495]

約数ペア:

[(1, 20415495), (3, 6805165), (5, 4083099), (15, 1361033), (157, 130035), (471, 43345), (785, 26007), (2355, 8669)]