20724506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15443}}^1$

素因数の和:15517

約数の個数: 16

約数和(自身を含む): 34471008

約数和(自身を除く): 13746502

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15443, 30886, 169873, 339746, 942023, 1884046, 10362253, 20724506]

約数ペア:

[(1, 20724506), (2, 10362253), (11, 1884046), (22, 942023), (61, 339746), (122, 169873), (671, 30886), (1342, 15443)]