20179654

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1367}}^1$

素因数の和:1452

約数の個数: 24

約数和(自身を含む): 33841584

約数和(自身を除く): 13661930

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1367, 2734, 7381, 14762, 15037, 30074, 83387, 165407, 166774, 330814, 917257, 1834514, 10089827, 20179654]

約数ペア:

[(1, 20179654), (2, 10089827), (11, 1834514), (22, 917257), (61, 330814), (121, 166774), (122, 165407), (242, 83387), (671, 30074), (1342, 15037), (1367, 14762), (2734, 7381)]