20324880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28229}}^1$

素因数の和:28248

約数の個数: 60

約数和(自身を含む): 68260140

約数和(自身を除く): 47935260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28229, 56458, 84687, 112916, 141145, 169374, 225832, 254061, 282290, 338748, 423435, 451664, 508122, 564580, 677496, 846870, 1016244, 1129160, 1270305, 1354992, 1693740, 2032488, 2258320, 2540610, 3387480, 4064976, 5081220, 6774960, 10162440, 20324880]

約数ペア:

[(1, 20324880), (2, 10162440), (3, 6774960), (4, 5081220), (5, 4064976), (6, 3387480), (8, 2540610), (9, 2258320), (10, 2032488), (12, 1693740), (15, 1354992), (16, 1270305), (18, 1129160), (20, 1016244), (24, 846870), (30, 677496), (36, 564580), (40, 508122), (45, 451664), (48, 423435), (60, 338748), (72, 282290), (80, 254061), (90, 225832), (120, 169374), (144, 141145), (180, 112916), (240, 84687), (360, 56458), (720, 28229)]