20221575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 36950016

約数和(自身を除く): 16728441

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 127, 165, 193, 275, 381, 579, 635, 825, 965, 1397, 1905, 2123, 2895, 3175, 4191, 4825, 6369, 6985, 9525, 10615, 14475, 20955, 24511, 31845, 34925, 53075, 73533, 104775, 122555, 159225, 269621, 367665, 612775, 808863, 1348105, 1838325, 4044315, 6740525, 20221575]

約数ペア:

[(1, 20221575), (3, 6740525), (5, 4044315), (11, 1838325), (15, 1348105), (25, 808863), (33, 612775), (55, 367665), (75, 269621), (127, 159225), (165, 122555), (193, 104775), (275, 73533), (381, 53075), (579, 34925), (635, 31845), (825, 24511), (965, 20955), (1397, 14475), (1905, 10615), (2123, 9525), (2895, 6985), (3175, 6369), (4191, 4825)]