20282003

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4157}}^1$

素因数の和:4222

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 4865581

約数列:

[1, 7, 17, 41, 119, 287, 697, 4157, 4879, 29099, 70669, 170437, 494683, 1193059, 2897429, 20282003]

約数ペア:

[(1, 20282003), (7, 2897429), (17, 1193059), (41, 494683), (119, 170437), (287, 70669), (697, 29099), (4157, 4879)]