20054167

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:702

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 3815273

約数列:

[1, 7, 29, 203, 223, 443, 1561, 3101, 6467, 12847, 45269, 89929, 98789, 691523, 2864881, 20054167]

約数ペア:

[(1, 20054167), (7, 2864881), (29, 691523), (203, 98789), (223, 89929), (443, 45269), (1561, 12847), (3101, 6467)]