17987020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52903}}^1$

素因数の和:52929

約数の個数: 24

約数和(自身を含む): 39995424

約数和(自身を除く): 22008404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 52903, 105806, 211612, 264515, 529030, 899351, 1058060, 1798702, 3597404, 4496755, 8993510, 17987020]

約数ペア:

[(1, 17987020), (2, 8993510), (4, 4496755), (5, 3597404), (10, 1798702), (17, 1058060), (20, 899351), (34, 529030), (68, 264515), (85, 211612), (170, 105806), (340, 52903)]