20747400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 65025600

約数和(自身を除く): 44278200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 151, 200, 229, 300, 302, 453, 458, 600, 604, 687, 755, 906, 916, 1145, 1208, 1374, 1510, 1812, 1832, 2265, 2290, 2748, 3020, 3435, 3624, 3775, 4530, 4580, 5496, 5725, 6040, 6870, 7550, 9060, 9160, 11325, 11450, 13740, 15100, 17175, 18120, 22650, 22900, 27480, 30200, 34350, 34579, 45300, 45800, 68700, 69158, 90600, 103737, 137400, 138316, 172895, 207474, 276632, 345790, 414948, 518685, 691580, 829896, 864475, 1037370, 1383160, 1728950, 2074740, 2593425, 3457900, 4149480, 5186850, 6915800, 10373700, 20747400]

約数ペア:

[(1, 20747400), (2, 10373700), (3, 6915800), (4, 5186850), (5, 4149480), (6, 3457900), (8, 2593425), (10, 2074740), (12, 1728950), (15, 1383160), (20, 1037370), (24, 864475), (25, 829896), (30, 691580), (40, 518685), (50, 414948), (60, 345790), (75, 276632), (100, 207474), (120, 172895), (150, 138316), (151, 137400), (200, 103737), (229, 90600), (300, 69158), (302, 68700), (453, 45800), (458, 45300), (600, 34579), (604, 34350), (687, 30200), (755, 27480), (906, 22900), (916, 22650), (1145, 18120), (1208, 17175), (1374, 15100), (1510, 13740), (1812, 11450), (1832, 11325), (2265, 9160), (2290, 9060), (2748, 7550), (3020, 6870), (3435, 6040), (3624, 5725), (3775, 5496), (4530, 4580)]