20180060

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2467}}^1$

素因数の和:2885

約数の個数: 24

約数和(自身を含む): 42498960

約数和(自身を除く): 22318900

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 2467, 4090, 4934, 8180, 9868, 12335, 24670, 49340, 1009003, 2018006, 4036012, 5045015, 10090030, 20180060]

約数ペア:

[(1, 20180060), (2, 10090030), (4, 5045015), (5, 4036012), (10, 2018006), (20, 1009003), (409, 49340), (818, 24670), (1636, 12335), (2045, 9868), (2467, 8180), (4090, 4934)]