20165526161

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 23681064960

約数和(自身を除く): 3515538799

約数列:

[1, 11, 23, 59, 121, 191, 253, 643, 649, 1357, 2101, 2783, 4393, 7073, 7139, 11269, 14789, 14927, 23111, 37937, 48323, 77803, 122813, 123959, 162679, 164197, 259187, 417307, 531553, 872551, 1350943, 1363549, 1789469, 2824699, 2851057, 4590377, 7245967, 9598061, 14860373, 31071689, 31361627, 79705637, 105578671, 166657241, 341788579, 876762007, 1833229651, 20165526161]

約数ペア:

[(1, 20165526161), (11, 1833229651), (23, 876762007), (59, 341788579), (121, 166657241), (191, 105578671), (253, 79705637), (643, 31361627), (649, 31071689), (1357, 14860373), (2101, 9598061), (2783, 7245967), (4393, 4590377), (7073, 2851057), (7139, 2824699), (11269, 1789469), (14789, 1363549), (14927, 1350943), (23111, 872551), (37937, 531553), (48323, 417307), (77803, 259187), (122813, 164197), (123959, 162679)]