20405748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{154589}}^1$

素因数の和:154607

約数の個数: 24

約数和(自身を含む): 51942240

約数和(自身を除く): 31536492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 154589, 309178, 463767, 618356, 927534, 1700479, 1855068, 3400958, 5101437, 6801916, 10202874, 20405748]

約数ペア:

[(1, 20405748), (2, 10202874), (3, 6801916), (4, 5101437), (6, 3400958), (11, 1855068), (12, 1700479), (22, 927534), (33, 618356), (44, 463767), (66, 309178), (132, 154589)]