20380800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:231

約数の個数: 192

約数和(自身を含む): 73611360

約数和(自身を除く): 53230560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 64, 66, 75, 80, 88, 96, 100, 110, 120, 128, 132, 150, 160, 165, 176, 192, 193, 200, 220, 240, 264, 275, 300, 320, 330, 352, 384, 386, 400, 440, 480, 528, 550, 579, 600, 640, 660, 704, 772, 800, 825, 880, 960, 965, 1056, 1100, 1158, 1200, 1320, 1408, 1544, 1600, 1650, 1760, 1920, 1930, 2112, 2123, 2200, 2316, 2400, 2640, 2895, 3088, 3200, 3300, 3520, 3860, 4224, 4246, 4400, 4632, 4800, 4825, 5280, 5790, 6176, 6369, 6600, 7040, 7720, 8492, 8800, 9264, 9600, 9650, 10560, 10615, 11580, 12352, 12738, 13200, 14475, 15440, 16984, 17600, 18528, 19300, 21120, 21230, 23160, 24704, 25476, 26400, 28950, 30880, 31845, 33968, 35200, 37056, 38600, 42460, 46320, 50952, 52800, 53075, 57900, 61760, 63690, 67936, 74112, 77200, 84920, 92640, 101904, 105600, 106150, 115800, 123520, 127380, 135872, 154400, 159225, 169840, 185280, 203808, 212300, 231600, 254760, 271744, 308800, 318450, 339680, 370560, 407616, 424600, 463200, 509520, 617600, 636900, 679360, 815232, 849200, 926400, 1019040, 1273800, 1358720, 1698400, 1852800, 2038080, 2547600, 3396800, 4076160, 5095200, 6793600, 10190400, 20380800]

約数ペア:

[(1, 20380800), (2, 10190400), (3, 6793600), (4, 5095200), (5, 4076160), (6, 3396800), (8, 2547600), (10, 2038080), (11, 1852800), (12, 1698400), (15, 1358720), (16, 1273800), (20, 1019040), (22, 926400), (24, 849200), (25, 815232), (30, 679360), (32, 636900), (33, 617600), (40, 509520), (44, 463200), (48, 424600), (50, 407616), (55, 370560), (60, 339680), (64, 318450), (66, 308800), (75, 271744), (80, 254760), (88, 231600), (96, 212300), (100, 203808), (110, 185280), (120, 169840), (128, 159225), (132, 154400), (150, 135872), (160, 127380), (165, 123520), (176, 115800), (192, 106150), (193, 105600), (200, 101904), (220, 92640), (240, 84920), (264, 77200), (275, 74112), (300, 67936), (320, 63690), (330, 61760), (352, 57900), (384, 53075), (386, 52800), (400, 50952), (440, 46320), (480, 42460), (528, 38600), (550, 37056), (579, 35200), (600, 33968), (640, 31845), (660, 30880), (704, 28950), (772, 26400), (800, 25476), (825, 24704), (880, 23160), (960, 21230), (965, 21120), (1056, 19300), (1100, 18528), (1158, 17600), (1200, 16984), (1320, 15440), (1408, 14475), (1544, 13200), (1600, 12738), (1650, 12352), (1760, 11580), (1920, 10615), (1930, 10560), (2112, 9650), (2123, 9600), (2200, 9264), (2316, 8800), (2400, 8492), (2640, 7720), (2895, 7040), (3088, 6600), (3200, 6369), (3300, 6176), (3520, 5790), (3860, 5280), (4224, 4825), (4246, 4800), (4400, 4632)]