20199782169

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3305479}}^1$

素因数の和:3305589

約数の個数: 24

約数和(自身を含む): 33689452160

約数和(自身を除く): 13489669991

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 6111, 3305479, 9916437, 23138353, 29749311, 69415059, 208245177, 320631463, 961894389, 2244420241, 2885683167, 6733260723, 20199782169]

約数ペア:

[(1, 20199782169), (3, 6733260723), (7, 2885683167), (9, 2244420241), (21, 961894389), (63, 320631463), (97, 208245177), (291, 69415059), (679, 29749311), (873, 23138353), (2037, 9916437), (6111, 3305479)]