20030017

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23716224

約数和(自身を除く): 3686207

約数列:

[1, 7, 41, 101, 287, 691, 707, 4141, 4837, 28331, 28987, 69791, 198317, 488537, 2861431, 20030017]

約数ペア:

[(1, 20030017), (7, 2861431), (41, 488537), (101, 198317), (287, 69791), (691, 28987), (707, 28331), (4141, 4837)]