20565558783

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{2129}}^1$

素因数の和:2469

約数の個数: 96

約数和(自身を含む): 37895869440

約数和(自身を除く): 17330310657

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 263, 371, 477, 583, 693, 789, 1113, 1749, 1841, 2129, 2367, 2893, 3339, 4081, 5247, 5523, 6387, 8679, 12243, 13939, 14903, 16569, 19161, 20251, 23419, 26037, 36729, 41817, 44709, 60753, 70257, 97573, 112837, 125451, 134127, 153329, 163933, 182259, 210771, 292719, 338511, 459987, 491799, 559927, 789859, 878157, 1015533, 1073303, 1241207, 1379961, 1475397, 1679781, 2369577, 3219909, 3723621, 3919489, 5039343, 6159197, 7108731, 8688449, 9659727, 11170863, 11758467, 18477591, 26065347, 29676131, 35275401, 43114379, 55432773, 78196041, 89028393, 129343137, 207732917, 267085179, 326437441, 388029411, 623198751, 979312323, 1869596253, 2285062087, 2937936969, 6855186261, 20565558783]

約数ペア:

[(1, 20565558783), (3, 6855186261), (7, 2937936969), (9, 2285062087), (11, 1869596253), (21, 979312323), (33, 623198751), (53, 388029411), (63, 326437441), (77, 267085179), (99, 207732917), (159, 129343137), (231, 89028393), (263, 78196041), (371, 55432773), (477, 43114379), (583, 35275401), (693, 29676131), (789, 26065347), (1113, 18477591), (1749, 11758467), (1841, 11170863), (2129, 9659727), (2367, 8688449), (2893, 7108731), (3339, 6159197), (4081, 5039343), (5247, 3919489), (5523, 3723621), (6387, 3219909), (8679, 2369577), (12243, 1679781), (13939, 1475397), (14903, 1379961), (16569, 1241207), (19161, 1073303), (20251, 1015533), (23419, 878157), (26037, 789859), (36729, 559927), (41817, 491799), (44709, 459987), (60753, 338511), (70257, 292719), (97573, 210771), (112837, 182259), (125451, 163933), (134127, 153329)]