20789280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14437}}^1$

素因数の和:14458

約数の個数: 72

約数和(自身を含む): 70948332

約数和(自身を除く): 50159052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14437, 28874, 43311, 57748, 72185, 86622, 115496, 129933, 144370, 173244, 216555, 230992, 259866, 288740, 346488, 433110, 461984, 519732, 577480, 649665, 692976, 866220, 1039464, 1154960, 1299330, 1385952, 1732440, 2078928, 2309920, 2598660, 3464880, 4157856, 5197320, 6929760, 10394640, 20789280]

約数ペア:

[(1, 20789280), (2, 10394640), (3, 6929760), (4, 5197320), (5, 4157856), (6, 3464880), (8, 2598660), (9, 2309920), (10, 2078928), (12, 1732440), (15, 1385952), (16, 1299330), (18, 1154960), (20, 1039464), (24, 866220), (30, 692976), (32, 649665), (36, 577480), (40, 519732), (45, 461984), (48, 433110), (60, 346488), (72, 288740), (80, 259866), (90, 230992), (96, 216555), (120, 173244), (144, 144370), (160, 129933), (180, 115496), (240, 86622), (288, 72185), (360, 57748), (480, 43311), (720, 28874), (1440, 14437)]