4047020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11903}}^1$

素因数の和:11929

約数の個数: 24

約数和(自身を含む): 8999424

約数和(自身を除く): 4952404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 11903, 23806, 47612, 59515, 119030, 202351, 238060, 404702, 809404, 1011755, 2023510, 4047020]

約数ペア:

[(1, 4047020), (2, 2023510), (4, 1011755), (5, 809404), (10, 404702), (17, 238060), (20, 202351), (34, 119030), (68, 59515), (85, 47612), (170, 23806), (340, 11903)]