20411222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11057}}^1$

素因数の和:11143

約数の個数: 16

約数和(自身を含む): 33439392

約数和(自身を除く): 13028170

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11057, 22114, 143741, 287482, 785047, 1570094, 10205611, 20411222]

約数ペア:

[(1, 20411222), (2, 10205611), (13, 1570094), (26, 785047), (71, 287482), (142, 143741), (923, 22114), (1846, 11057)]