20681056

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1433}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 45532368

約数和(自身を除く): 24851312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1433, 1804, 2866, 3608, 5732, 7216, 11464, 14432, 15763, 22928, 31526, 45856, 58753, 63052, 117506, 126104, 235012, 252208, 470024, 504416, 646283, 940048, 1292566, 1880096, 2585132, 5170264, 10340528, 20681056]

約数ペア:

[(1, 20681056), (2, 10340528), (4, 5170264), (8, 2585132), (11, 1880096), (16, 1292566), (22, 940048), (32, 646283), (41, 504416), (44, 470024), (82, 252208), (88, 235012), (164, 126104), (176, 117506), (328, 63052), (352, 58753), (451, 45856), (656, 31526), (902, 22928), (1312, 15763), (1433, 14432), (1804, 11464), (2866, 7216), (3608, 5732)]