2017642660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{90803}}^1$

素因数の和:90924

約数の個数: 48

約数和(自身を含む): 4668052032

約数和(自身を除く): 2650409372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 90803, 181606, 363212, 454015, 908030, 998833, 1816060, 1997666, 3995332, 4994165, 9171103, 9988330, 18342206, 19976660, 36684412, 45855515, 91711030, 100882133, 183422060, 201764266, 403528532, 504410665, 1008821330, 2017642660]

約数ペア:

[(1, 2017642660), (2, 1008821330), (4, 504410665), (5, 403528532), (10, 201764266), (11, 183422060), (20, 100882133), (22, 91711030), (44, 45855515), (55, 36684412), (101, 19976660), (110, 18342206), (202, 9988330), (220, 9171103), (404, 4994165), (505, 3995332), (1010, 1997666), (1111, 1816060), (2020, 998833), (2222, 908030), (4444, 454015), (5555, 363212), (11110, 181606), (22220, 90803)]