20837151

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32609}}^1$

素因数の和:32686

約数の個数: 12

約数和(自身を含む): 30522960

約数和(自身を除く): 9685809

約数列:

[1, 3, 9, 71, 213, 639, 32609, 97827, 293481, 2315239, 6945717, 20837151]

約数ペア:

[(1, 20837151), (3, 6945717), (9, 2315239), (71, 293481), (213, 97827), (639, 32609)]