20323072

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1031}}^1$

素因数の和:1065

約数の個数: 72

約数和(自身を含む): 50625792

約数和(自身を除く): 30302720

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1031, 1232, 1408, 1792, 2062, 2464, 2816, 4124, 4928, 7217, 8248, 9856, 11341, 14434, 16496, 19712, 22682, 28868, 32992, 45364, 57736, 65984, 79387, 90728, 115472, 131968, 158774, 181456, 230944, 263936, 317548, 362912, 461888, 635096, 725824, 923776, 1270192, 1451648, 1847552, 2540384, 2903296, 5080768, 10161536, 20323072]

約数ペア:

[(1, 20323072), (2, 10161536), (4, 5080768), (7, 2903296), (8, 2540384), (11, 1847552), (14, 1451648), (16, 1270192), (22, 923776), (28, 725824), (32, 635096), (44, 461888), (56, 362912), (64, 317548), (77, 263936), (88, 230944), (112, 181456), (128, 158774), (154, 131968), (176, 115472), (224, 90728), (256, 79387), (308, 65984), (352, 57736), (448, 45364), (616, 32992), (704, 28868), (896, 22682), (1031, 19712), (1232, 16496), (1408, 14434), (1792, 11341), (2062, 9856), (2464, 8248), (2816, 7217), (4124, 4928)]