20988800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{937}}^1$

素因数の和:968

約数の個数: 96

約数和(自身を含む): 59319120

約数和(自身を除く): 38330320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 640, 700, 800, 896, 937, 1120, 1400, 1600, 1874, 2240, 2800, 3200, 3748, 4480, 4685, 5600, 6559, 7496, 9370, 11200, 13118, 14992, 18740, 22400, 23425, 26236, 29984, 32795, 37480, 46850, 52472, 59968, 65590, 74960, 93700, 104944, 119936, 131180, 149920, 163975, 187400, 209888, 262360, 299840, 327950, 374800, 419776, 524720, 599680, 655900, 749600, 839552, 1049440, 1311800, 1499200, 2098880, 2623600, 2998400, 4197760, 5247200, 10494400, 20988800]

約数ペア:

[(1, 20988800), (2, 10494400), (4, 5247200), (5, 4197760), (7, 2998400), (8, 2623600), (10, 2098880), (14, 1499200), (16, 1311800), (20, 1049440), (25, 839552), (28, 749600), (32, 655900), (35, 599680), (40, 524720), (50, 419776), (56, 374800), (64, 327950), (70, 299840), (80, 262360), (100, 209888), (112, 187400), (128, 163975), (140, 149920), (160, 131180), (175, 119936), (200, 104944), (224, 93700), (280, 74960), (320, 65590), (350, 59968), (400, 52472), (448, 46850), (560, 37480), (640, 32795), (700, 29984), (800, 26236), (896, 23425), (937, 22400), (1120, 18740), (1400, 14992), (1600, 13118), (1874, 11200), (2240, 9370), (2800, 7496), (3200, 6559), (3748, 5600), (4480, 4685)]