16747080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19937}}^1$

素因数の和:19958

約数の個数: 64

約数和(自身を含む): 57421440

約数和(自身を除く): 40674360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19937, 39874, 59811, 79748, 99685, 119622, 139559, 159496, 199370, 239244, 279118, 299055, 398740, 418677, 478488, 558236, 598110, 697795, 797480, 837354, 1116472, 1196220, 1395590, 1674708, 2093385, 2392440, 2791180, 3349416, 4186770, 5582360, 8373540, 16747080]

約数ペア:

[(1, 16747080), (2, 8373540), (3, 5582360), (4, 4186770), (5, 3349416), (6, 2791180), (7, 2392440), (8, 2093385), (10, 1674708), (12, 1395590), (14, 1196220), (15, 1116472), (20, 837354), (21, 797480), (24, 697795), (28, 598110), (30, 558236), (35, 478488), (40, 418677), (42, 398740), (56, 299055), (60, 279118), (70, 239244), (84, 199370), (105, 159496), (120, 139559), (140, 119622), (168, 99685), (210, 79748), (280, 59811), (420, 39874), (840, 19937)]