20406280314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 48422707200

約数和(自身を除く): 28016426886

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 179, 239, 246, 277, 287, 358, 478, 537, 554, 574, 717, 831, 861, 1074, 1253, 1434, 1662, 1673, 1722, 1939, 2506, 3346, 3759, 3878, 5019, 5817, 7339, 7518, 9799, 10038, 11357, 11634, 14678, 19598, 22017, 22714, 29397, 34071, 42781, 44034, 49583, 51373, 58794, 66203, 68142, 68593, 79499, 85562, 99166, 102746, 128343, 132406, 137186, 148749, 154119, 158998, 198609, 205779, 238497, 256686, 297498, 299467, 308238, 347081, 397218, 411558, 463421, 476994, 598934, 694162, 898401, 926842, 1041243, 1390263, 1754021, 1796802, 2032903, 2082486, 2714323, 2780526, 3508042, 4065806, 5262063, 5428646, 6098709, 8142969, 10524126, 11850337, 12197418, 12278147, 14230321, 16285938, 19000261, 23700674, 24556294, 28460642, 35551011, 36834441, 38000522, 42690963, 57000783, 71102022, 73668882, 82952359, 85381926, 114001566, 165904718, 248857077, 485863817, 497714154, 971727634, 1457591451, 2915182902, 3401046719, 6802093438, 10203140157, 20406280314]

約数ペア:

[(1, 20406280314), (2, 10203140157), (3, 6802093438), (6, 3401046719), (7, 2915182902), (14, 1457591451), (21, 971727634), (41, 497714154), (42, 485863817), (82, 248857077), (123, 165904718), (179, 114001566), (239, 85381926), (246, 82952359), (277, 73668882), (287, 71102022), (358, 57000783), (478, 42690963), (537, 38000522), (554, 36834441), (574, 35551011), (717, 28460642), (831, 24556294), (861, 23700674), (1074, 19000261), (1253, 16285938), (1434, 14230321), (1662, 12278147), (1673, 12197418), (1722, 11850337), (1939, 10524126), (2506, 8142969), (3346, 6098709), (3759, 5428646), (3878, 5262063), (5019, 4065806), (5817, 3508042), (7339, 2780526), (7518, 2714323), (9799, 2082486), (10038, 2032903), (11357, 1796802), (11634, 1754021), (14678, 1390263), (19598, 1041243), (22017, 926842), (22714, 898401), (29397, 694162), (34071, 598934), (42781, 476994), (44034, 463421), (49583, 411558), (51373, 397218), (58794, 347081), (66203, 308238), (68142, 299467), (68593, 297498), (79499, 256686), (85562, 238497), (99166, 205779), (102746, 198609), (128343, 158998), (132406, 154119), (137186, 148749)]