20926031

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4354

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5019889

約数列:

[1, 7, 17, 41, 119, 287, 697, 4289, 4879, 30023, 72913, 175849, 510391, 1230943, 2989433, 20926031]

約数ペア:

[(1, 20926031), (7, 2989433), (17, 1230943), (41, 510391), (119, 175849), (287, 72913), (697, 30023), (4289, 4879)]