20808660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11959}}^1$

素因数の和:12000

約数の個数: 48

約数和(自身を含む): 60278400

約数和(自身を除く): 39469740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11959, 23918, 35877, 47836, 59795, 71754, 119590, 143508, 179385, 239180, 346811, 358770, 693622, 717540, 1040433, 1387244, 1734055, 2080866, 3468110, 4161732, 5202165, 6936220, 10404330, 20808660]

約数ペア:

[(1, 20808660), (2, 10404330), (3, 6936220), (4, 5202165), (5, 4161732), (6, 3468110), (10, 2080866), (12, 1734055), (15, 1387244), (20, 1040433), (29, 717540), (30, 693622), (58, 358770), (60, 346811), (87, 239180), (116, 179385), (145, 143508), (174, 119590), (290, 71754), (348, 59795), (435, 47836), (580, 35877), (870, 23918), (1740, 11959)]