17930140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20849}}^1$

素因数の和:20901

約数の個数: 24

約数和(自身を含む): 38530800

約数和(自身を除く): 20600660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 20849, 41698, 83396, 104245, 208490, 416980, 896507, 1793014, 3586028, 4482535, 8965070, 17930140]

約数ペア:

[(1, 17930140), (2, 8965070), (4, 4482535), (5, 3586028), (10, 1793014), (20, 896507), (43, 416980), (86, 208490), (172, 104245), (215, 83396), (430, 41698), (860, 20849)]