20498038704

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1979}}^1$

素因数の和:2520

約数の個数: 240

約数和(自身を含む): 67563175680

約数和(自身を除く): 47065136976

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 503, 528, 572, 624, 792, 858, 936, 1006, 1144, 1287, 1509, 1584, 1716, 1872, 1979, 2012, 2288, 2574, 3018, 3432, 3958, 4024, 4527, 5148, 5533, 5937, 6036, 6539, 6864, 7916, 8048, 9054, 10296, 11066, 11874, 12072, 13078, 15832, 16599, 17811, 18108, 19617, 20592, 21769, 22132, 23748, 24144, 25727, 26156, 31664, 33198, 35622, 36216, 39234, 43538, 44264, 47496, 49797, 51454, 52312, 58851, 65307, 66396, 71244, 71929, 72432, 77181, 78468, 87076, 88528, 94992, 99594, 102908, 104624, 117702, 130614, 132792, 142488, 143858, 154362, 156936, 174152, 195921, 199188, 205816, 215787, 231543, 235404, 261228, 265584, 282997, 284976, 287716, 308724, 313872, 348304, 391842, 398376, 411632, 431574, 463086, 470808, 522456, 565994, 575432, 617448, 647361, 783684, 796752, 848991, 863148, 926172, 941616, 995437, 1044912, 1131988, 1150864, 1234896, 1294722, 1567368, 1697982, 1726296, 1852344, 1990874, 2263976, 2546973, 2589444, 2986311, 3134736, 3395964, 3452592, 3704688, 3981748, 4527952, 5093946, 5178888, 5972622, 6791928, 7963496, 8958933, 10187892, 10357776, 10949807, 11945244, 12940681, 13583856, 15926992, 17917866, 20375784, 21899614, 23890488, 25881362, 32849421, 35835732, 38822043, 40751568, 43799228, 47780976, 51762724, 65698842, 71671464, 77644086, 87598456, 98548263, 103525448, 116466129, 131397684, 142347491, 143342928, 155288172, 175196912, 197096526, 207050896, 232932258, 262795368, 284694982, 310576344, 394193052, 427042473, 465864516, 525590736, 569389964, 621152688, 788386104, 854084946, 931729032, 1138779928, 1281127419, 1576772208, 1708169892, 1863458064, 2277559856, 2562254838, 3416339784, 5124509676, 6832679568, 10249019352, 20498038704]

約数ペア:

[(1, 20498038704), (2, 10249019352), (3, 6832679568), (4, 5124509676), (6, 3416339784), (8, 2562254838), (9, 2277559856), (11, 1863458064), (12, 1708169892), (13, 1576772208), (16, 1281127419), (18, 1138779928), (22, 931729032), (24, 854084946), (26, 788386104), (33, 621152688), (36, 569389964), (39, 525590736), (44, 465864516), (48, 427042473), (52, 394193052), (66, 310576344), (72, 284694982), (78, 262795368), (88, 232932258), (99, 207050896), (104, 197096526), (117, 175196912), (132, 155288172), (143, 143342928), (144, 142347491), (156, 131397684), (176, 116466129), (198, 103525448), (208, 98548263), (234, 87598456), (264, 77644086), (286, 71671464), (312, 65698842), (396, 51762724), (429, 47780976), (468, 43799228), (503, 40751568), (528, 38822043), (572, 35835732), (624, 32849421), (792, 25881362), (858, 23890488), (936, 21899614), (1006, 20375784), (1144, 17917866), (1287, 15926992), (1509, 13583856), (1584, 12940681), (1716, 11945244), (1872, 10949807), (1979, 10357776), (2012, 10187892), (2288, 8958933), (2574, 7963496), (3018, 6791928), (3432, 5972622), (3958, 5178888), (4024, 5093946), (4527, 4527952), (5148, 3981748), (5533, 3704688), (5937, 3452592), (6036, 3395964), (6539, 3134736), (6864, 2986311), (7916, 2589444), (8048, 2546973), (9054, 2263976), (10296, 1990874), (11066, 1852344), (11874, 1726296), (12072, 1697982), (13078, 1567368), (15832, 1294722), (16599, 1234896), (17811, 1150864), (18108, 1131988), (19617, 1044912), (20592, 995437), (21769, 941616), (22132, 926172), (23748, 863148), (24144, 848991), (25727, 796752), (26156, 783684), (31664, 647361), (33198, 617448), (35622, 575432), (36216, 565994), (39234, 522456), (43538, 470808), (44264, 463086), (47496, 431574), (49797, 411632), (51454, 398376), (52312, 391842), (58851, 348304), (65307, 313872), (66396, 308724), (71244, 287716), (71929, 284976), (72432, 282997), (77181, 265584), (78468, 261228), (87076, 235404), (88528, 231543), (94992, 215787), (99594, 205816), (102908, 199188), (104624, 195921), (117702, 174152), (130614, 156936), (132792, 154362), (142488, 143858)]