1020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1$

素因数の和:29

約数の個数: 24

約数和(自身を含む): 3024

約数和(自身を除く): 2004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020]

約数ペア:

[(1, 1020), (2, 510), (3, 340), (4, 255), (5, 204), (6, 170), (10, 102), (12, 85), (15, 68), (17, 60), (20, 51), (30, 34)]