20497167

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 30545424

約数和(自身を除く): 10048257

約数列:

[1, 3, 9, 53, 97, 159, 291, 443, 477, 873, 1329, 3987, 5141, 15423, 23479, 42971, 46269, 70437, 128913, 211311, 386739, 2277463, 6832389, 20497167]

約数ペア:

[(1, 20497167), (3, 6832389), (9, 2277463), (53, 386739), (97, 211311), (159, 128913), (291, 70437), (443, 46269), (477, 42971), (873, 23479), (1329, 15423), (3987, 5141)]