20320256

素因数分解:

$2^{12}\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 78

約数和(自身を含む): 45754926

約数和(自身を除く): 25434670

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 121, 128, 164, 176, 242, 256, 328, 352, 451, 484, 512, 656, 704, 902, 968, 1024, 1312, 1408, 1804, 1936, 2048, 2624, 2816, 3608, 3872, 4096, 4961, 5248, 5632, 7216, 7744, 9922, 10496, 11264, 14432, 15488, 19844, 20992, 22528, 28864, 30976, 39688, 41984, 45056, 57728, 61952, 79376, 83968, 115456, 123904, 158752, 167936, 230912, 247808, 317504, 461824, 495616, 635008, 923648, 1270016, 1847296, 2540032, 5080064, 10160128, 20320256]

約数ペア:

[(1, 20320256), (2, 10160128), (4, 5080064), (8, 2540032), (11, 1847296), (16, 1270016), (22, 923648), (32, 635008), (41, 495616), (44, 461824), (64, 317504), (82, 247808), (88, 230912), (121, 167936), (128, 158752), (164, 123904), (176, 115456), (242, 83968), (256, 79376), (328, 61952), (352, 57728), (451, 45056), (484, 41984), (512, 39688), (656, 30976), (704, 28864), (902, 22528), (968, 20992), (1024, 19844), (1312, 15488), (1408, 14432), (1804, 11264), (1936, 10496), (2048, 9922), (2624, 7744), (2816, 7216), (3608, 5632), (3872, 5248), (4096, 4961)]