20491776

素因数分解:

$2^9\times 3^2\times {\mathrm{4447}}^1$

素因数の和:4471

約数の個数: 60

約数和(自身を含む): 59153952

約数和(自身を除く): 38662176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4447, 4608, 8894, 13341, 17788, 26682, 35576, 40023, 53364, 71152, 80046, 106728, 142304, 160092, 213456, 284608, 320184, 426912, 569216, 640368, 853824, 1138432, 1280736, 1707648, 2276864, 2561472, 3415296, 5122944, 6830592, 10245888, 20491776]

約数ペア:

[(1, 20491776), (2, 10245888), (3, 6830592), (4, 5122944), (6, 3415296), (8, 2561472), (9, 2276864), (12, 1707648), (16, 1280736), (18, 1138432), (24, 853824), (32, 640368), (36, 569216), (48, 426912), (64, 320184), (72, 284608), (96, 213456), (128, 160092), (144, 142304), (192, 106728), (256, 80046), (288, 71152), (384, 53364), (512, 40023), (576, 35576), (768, 26682), (1152, 17788), (1536, 13341), (2304, 8894), (4447, 4608)]