20708666

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{1031}}^1$

素因数の和:1138

約数の個数: 24

約数和(自身を含む): 34588512

約数和(自身を除く): 13879846

約数列:

[1, 2, 11, 22, 83, 121, 166, 242, 913, 1031, 1826, 2062, 10043, 11341, 20086, 22682, 85573, 124751, 171146, 249502, 941303, 1882606, 10354333, 20708666]

約数ペア:

[(1, 20708666), (2, 10354333), (11, 1882606), (22, 941303), (83, 249502), (121, 171146), (166, 124751), (242, 85573), (913, 22682), (1031, 20086), (1826, 11341), (2062, 10043)]