20685918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28493}}^1$

素因数の和:28520

約数の個数: 24

約数和(自身を含む): 45476424

約数和(自身を除く): 24790506

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726, 28493, 56986, 85479, 170958, 313423, 626846, 940269, 1880538, 3447653, 6895306, 10342959, 20685918]

約数ペア:

[(1, 20685918), (2, 10342959), (3, 6895306), (6, 3447653), (11, 1880538), (22, 940269), (33, 626846), (66, 313423), (121, 170958), (242, 85479), (363, 56986), (726, 28493)]