1361020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4029

約数の個数: 24

約数和(自身を含む): 3027024

約数和(自身を除く): 1666004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4003, 8006, 16012, 20015, 40030, 68051, 80060, 136102, 272204, 340255, 680510, 1361020]

約数ペア:

[(1, 1361020), (2, 680510), (4, 340255), (5, 272204), (10, 136102), (17, 80060), (20, 68051), (34, 40030), (68, 20015), (85, 16012), (170, 8006), (340, 4003)]