20816866

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5741}}^1$

素因数の和:5794

約数の個数: 24

約数和(自身を含む): 37311516

約数和(自身を除く): 16494650

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5741, 11482, 40187, 80374, 212417, 281309, 424834, 562618, 1486919, 2973838, 10408433, 20816866]

約数ペア:

[(1, 20816866), (2, 10408433), (7, 2973838), (14, 1486919), (37, 562618), (49, 424834), (74, 281309), (98, 212417), (259, 80374), (518, 40187), (1813, 11482), (3626, 5741)]