20172718969

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{457}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 23534971200

約数和(自身を除く): 3362252231

約数列:

[1, 13, 19, 59, 169, 233, 247, 457, 767, 1121, 3029, 3211, 4427, 5941, 8683, 9971, 13747, 14573, 26963, 39377, 57551, 77233, 106481, 112879, 178711, 189449, 261193, 350519, 512297, 748163, 1384253, 1467427, 2023139, 2323243, 3395509, 4556747, 6282379, 6659861, 17995289, 26300807, 44141617, 81670927, 86578193, 119365201, 341910491, 1061722051, 1551747613, 20172718969]

約数ペア:

[(1, 20172718969), (13, 1551747613), (19, 1061722051), (59, 341910491), (169, 119365201), (233, 86578193), (247, 81670927), (457, 44141617), (767, 26300807), (1121, 17995289), (3029, 6659861), (3211, 6282379), (4427, 4556747), (5941, 3395509), (8683, 2323243), (9971, 2023139), (13747, 1467427), (14573, 1384253), (26963, 748163), (39377, 512297), (57551, 350519), (77233, 261193), (106481, 189449), (112879, 178711)]