20557218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311473}}^1$

素因数の和:311489

約数の個数: 16

約数和(自身を含む): 44852256

約数和(自身を除く): 24295038

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 311473, 622946, 934419, 1868838, 3426203, 6852406, 10278609, 20557218]

約数ペア:

[(1, 20557218), (2, 10278609), (3, 6852406), (6, 3426203), (11, 1868838), (22, 934419), (33, 622946), (66, 311473)]