20804400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5779}}^1$

素因数の和:5803

約数の個数: 90

約数和(自身を含む): 72209540

約数和(自身を除く): 51405140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5779, 11558, 17337, 23116, 28895, 34674, 46232, 52011, 57790, 69348, 86685, 92464, 104022, 115580, 138696, 144475, 173370, 208044, 231160, 260055, 277392, 288950, 346740, 416088, 433425, 462320, 520110, 577900, 693480, 832176, 866850, 1040220, 1155800, 1300275, 1386960, 1733700, 2080440, 2311600, 2600550, 3467400, 4160880, 5201100, 6934800, 10402200, 20804400]

約数ペア:

[(1, 20804400), (2, 10402200), (3, 6934800), (4, 5201100), (5, 4160880), (6, 3467400), (8, 2600550), (9, 2311600), (10, 2080440), (12, 1733700), (15, 1386960), (16, 1300275), (18, 1155800), (20, 1040220), (24, 866850), (25, 832176), (30, 693480), (36, 577900), (40, 520110), (45, 462320), (48, 433425), (50, 416088), (60, 346740), (72, 288950), (75, 277392), (80, 260055), (90, 231160), (100, 208044), (120, 173370), (144, 144475), (150, 138696), (180, 115580), (200, 104022), (225, 92464), (240, 86685), (300, 69348), (360, 57790), (400, 52011), (450, 46232), (600, 34674), (720, 28895), (900, 23116), (1200, 17337), (1800, 11558), (3600, 5779)]