20173316680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2887}}^1\times {\mathrm{15881}}^1$

素因数の和:18790

約数の個数: 64

約数和(自身を含む): 49536593280

約数和(自身を除く): 29363276600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2887, 5774, 11548, 14435, 15881, 23096, 28870, 31757, 31762, 57740, 63514, 63524, 79405, 115480, 127028, 127048, 158785, 158810, 174691, 254056, 317570, 317620, 349382, 635140, 635240, 698764, 873455, 1270280, 1397528, 1746910, 3493820, 6987640, 45848447, 91696894, 183393788, 229242235, 366787576, 458484470, 504332917, 916968940, 1008665834, 1833937880, 2017331668, 2521664585, 4034663336, 5043329170, 10086658340, 20173316680]

約数ペア:

[(1, 20173316680), (2, 10086658340), (4, 5043329170), (5, 4034663336), (8, 2521664585), (10, 2017331668), (11, 1833937880), (20, 1008665834), (22, 916968940), (40, 504332917), (44, 458484470), (55, 366787576), (88, 229242235), (110, 183393788), (220, 91696894), (440, 45848447), (2887, 6987640), (5774, 3493820), (11548, 1746910), (14435, 1397528), (15881, 1270280), (23096, 873455), (28870, 698764), (31757, 635240), (31762, 635140), (57740, 349382), (63514, 317620), (63524, 317570), (79405, 254056), (115480, 174691), (127028, 158810), (127048, 158785)]