20405134512

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{36739}}^1$

素因数の和:36808

約数の個数: 240

約数和(自身を含む): 71069856000

約数和(自身を除く): 50664721488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 29, 36, 38, 42, 48, 56, 57, 58, 63, 72, 76, 84, 87, 112, 114, 116, 126, 133, 144, 152, 168, 171, 174, 203, 228, 232, 252, 261, 266, 304, 336, 342, 348, 399, 406, 456, 464, 504, 522, 532, 551, 609, 684, 696, 798, 812, 912, 1008, 1044, 1064, 1102, 1197, 1218, 1368, 1392, 1596, 1624, 1653, 1827, 2088, 2128, 2204, 2394, 2436, 2736, 3192, 3248, 3306, 3654, 3857, 4176, 4408, 4788, 4872, 4959, 6384, 6612, 7308, 7714, 8816, 9576, 9744, 9918, 11571, 13224, 14616, 15428, 19152, 19836, 23142, 26448, 29232, 30856, 34713, 36739, 39672, 46284, 61712, 69426, 73478, 79344, 92568, 110217, 138852, 146956, 185136, 220434, 257173, 277704, 293912, 330651, 440868, 514346, 555408, 587824, 661302, 698041, 771519, 881736, 1028692, 1065431, 1322604, 1396082, 1543038, 1763472, 2057384, 2094123, 2130862, 2314557, 2645208, 2792164, 3086076, 3196293, 4114768, 4188246, 4261724, 4629114, 4886287, 5290416, 5584328, 6172152, 6282369, 6392586, 7458017, 8376492, 8523448, 9258228, 9588879, 9772574, 11168656, 12344304, 12564738, 12785172, 14658861, 14916034, 16752984, 17046896, 18516456, 19177758, 19545148, 20243189, 22374051, 25129476, 25570344, 29317722, 29832068, 33505968, 37032912, 38355516, 39090296, 40486378, 43976583, 44748102, 50258952, 51140688, 58635444, 59664136, 60729567, 67122153, 76711032, 78180592, 80972756, 87953166, 89496204, 100517904, 117270888, 119328272, 121459134, 134244306, 141702323, 153422064, 161945512, 175906332, 178992408, 182188701, 234541776, 242918268, 268488612, 283404646, 323891024, 351812664, 357984816, 364377402, 425106969, 485836536, 536977224, 566809292, 703625328, 728754804, 850213938, 971673072, 1073954448, 1133618584, 1275320907, 1457509608, 1700427876, 2267237168, 2550641814, 2915019216, 3400855752, 5101283628, 6801711504, 10202567256, 20405134512]

約数ペア:

[(1, 20405134512), (2, 10202567256), (3, 6801711504), (4, 5101283628), (6, 3400855752), (7, 2915019216), (8, 2550641814), (9, 2267237168), (12, 1700427876), (14, 1457509608), (16, 1275320907), (18, 1133618584), (19, 1073954448), (21, 971673072), (24, 850213938), (28, 728754804), (29, 703625328), (36, 566809292), (38, 536977224), (42, 485836536), (48, 425106969), (56, 364377402), (57, 357984816), (58, 351812664), (63, 323891024), (72, 283404646), (76, 268488612), (84, 242918268), (87, 234541776), (112, 182188701), (114, 178992408), (116, 175906332), (126, 161945512), (133, 153422064), (144, 141702323), (152, 134244306), (168, 121459134), (171, 119328272), (174, 117270888), (203, 100517904), (228, 89496204), (232, 87953166), (252, 80972756), (261, 78180592), (266, 76711032), (304, 67122153), (336, 60729567), (342, 59664136), (348, 58635444), (399, 51140688), (406, 50258952), (456, 44748102), (464, 43976583), (504, 40486378), (522, 39090296), (532, 38355516), (551, 37032912), (609, 33505968), (684, 29832068), (696, 29317722), (798, 25570344), (812, 25129476), (912, 22374051), (1008, 20243189), (1044, 19545148), (1064, 19177758), (1102, 18516456), (1197, 17046896), (1218, 16752984), (1368, 14916034), (1392, 14658861), (1596, 12785172), (1624, 12564738), (1653, 12344304), (1827, 11168656), (2088, 9772574), (2128, 9588879), (2204, 9258228), (2394, 8523448), (2436, 8376492), (2736, 7458017), (3192, 6392586), (3248, 6282369), (3306, 6172152), (3654, 5584328), (3857, 5290416), (4176, 4886287), (4408, 4629114), (4788, 4261724), (4872, 4188246), (4959, 4114768), (6384, 3196293), (6612, 3086076), (7308, 2792164), (7714, 2645208), (8816, 2314557), (9576, 2130862), (9744, 2094123), (9918, 2057384), (11571, 1763472), (13224, 1543038), (14616, 1396082), (15428, 1322604), (19152, 1065431), (19836, 1028692), (23142, 881736), (26448, 771519), (29232, 698041), (30856, 661302), (34713, 587824), (36739, 555408), (39672, 514346), (46284, 440868), (61712, 330651), (69426, 293912), (73478, 277704), (79344, 257173), (92568, 220434), (110217, 185136), (138852, 146956)]