20208320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5741}}^1$

素因数の和:5769

約数の個数: 56

約数和(自身を含む): 52504848

約数和(自身を除く): 32296528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5741, 11482, 22964, 28705, 45928, 57410, 63151, 91856, 114820, 126302, 183712, 229640, 252604, 315755, 367424, 459280, 505208, 631510, 918560, 1010416, 1263020, 1837120, 2020832, 2526040, 4041664, 5052080, 10104160, 20208320]

約数ペア:

[(1, 20208320), (2, 10104160), (4, 5052080), (5, 4041664), (8, 2526040), (10, 2020832), (11, 1837120), (16, 1263020), (20, 1010416), (22, 918560), (32, 631510), (40, 505208), (44, 459280), (55, 367424), (64, 315755), (80, 252604), (88, 229640), (110, 183712), (160, 126302), (176, 114820), (220, 91856), (320, 63151), (352, 57410), (440, 45928), (704, 28705), (880, 22964), (1760, 11482), (3520, 5741)]