20431287072

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{66239}}^1$

素因数の和:66285

約数の個数: 240

約数和(自身を含む): 72712442880

約数和(自身を除く): 52281155808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 162, 168, 189, 204, 216, 224, 238, 252, 272, 288, 306, 324, 336, 357, 378, 408, 432, 459, 476, 504, 544, 567, 612, 648, 672, 714, 756, 816, 864, 918, 952, 1008, 1071, 1134, 1224, 1296, 1377, 1428, 1512, 1632, 1836, 1904, 2016, 2142, 2268, 2448, 2592, 2754, 2856, 3024, 3213, 3672, 3808, 4284, 4536, 4896, 5508, 5712, 6048, 6426, 7344, 8568, 9072, 9639, 11016, 11424, 12852, 14688, 17136, 18144, 19278, 22032, 25704, 34272, 38556, 44064, 51408, 66239, 77112, 102816, 132478, 154224, 198717, 264956, 308448, 397434, 463673, 529912, 596151, 794868, 927346, 1059824, 1126063, 1192302, 1391019, 1589736, 1788453, 1854692, 2119648, 2252126, 2384604, 2782038, 3179472, 3378189, 3576906, 3709384, 4173057, 4504252, 4769208, 5365359, 5564076, 6358944, 6756378, 7153812, 7418768, 7882441, 8346114, 9008504, 9538416, 10134567, 10730718, 11128152, 12519171, 13512756, 14307624, 14837536, 15764882, 16692228, 18017008, 19076832, 20269134, 21461436, 22256304, 23647323, 25038342, 27025512, 28615248, 30403701, 31529764, 33384456, 36034016, 37557513, 40538268, 42922872, 44512608, 47294646, 50076684, 54051024, 57230496, 60807402, 63059528, 66768912, 70941969, 75115026, 81076536, 85845744, 91211103, 94589292, 100153368, 108102048, 121614804, 126119056, 133537824, 141883938, 150230052, 162153072, 171691488, 182422206, 189178584, 200306736, 212825907, 243229608, 252238112, 283767876, 300460104, 324306144, 364844412, 378357168, 400613472, 425651814, 486459216, 567535752, 600920208, 638477721, 729688824, 756714336, 851303628, 972918432, 1135071504, 1201840416, 1276955442, 1459377648, 1702607256, 2270143008, 2553910884, 2918755296, 3405214512, 5107821768, 6810429024, 10215643536, 20431287072]

約数ペア:

[(1, 20431287072), (2, 10215643536), (3, 6810429024), (4, 5107821768), (6, 3405214512), (7, 2918755296), (8, 2553910884), (9, 2270143008), (12, 1702607256), (14, 1459377648), (16, 1276955442), (17, 1201840416), (18, 1135071504), (21, 972918432), (24, 851303628), (27, 756714336), (28, 729688824), (32, 638477721), (34, 600920208), (36, 567535752), (42, 486459216), (48, 425651814), (51, 400613472), (54, 378357168), (56, 364844412), (63, 324306144), (68, 300460104), (72, 283767876), (81, 252238112), (84, 243229608), (96, 212825907), (102, 200306736), (108, 189178584), (112, 182422206), (119, 171691488), (126, 162153072), (136, 150230052), (144, 141883938), (153, 133537824), (162, 126119056), (168, 121614804), (189, 108102048), (204, 100153368), (216, 94589292), (224, 91211103), (238, 85845744), (252, 81076536), (272, 75115026), (288, 70941969), (306, 66768912), (324, 63059528), (336, 60807402), (357, 57230496), (378, 54051024), (408, 50076684), (432, 47294646), (459, 44512608), (476, 42922872), (504, 40538268), (544, 37557513), (567, 36034016), (612, 33384456), (648, 31529764), (672, 30403701), (714, 28615248), (756, 27025512), (816, 25038342), (864, 23647323), (918, 22256304), (952, 21461436), (1008, 20269134), (1071, 19076832), (1134, 18017008), (1224, 16692228), (1296, 15764882), (1377, 14837536), (1428, 14307624), (1512, 13512756), (1632, 12519171), (1836, 11128152), (1904, 10730718), (2016, 10134567), (2142, 9538416), (2268, 9008504), (2448, 8346114), (2592, 7882441), (2754, 7418768), (2856, 7153812), (3024, 6756378), (3213, 6358944), (3672, 5564076), (3808, 5365359), (4284, 4769208), (4536, 4504252), (4896, 4173057), (5508, 3709384), (5712, 3576906), (6048, 3378189), (6426, 3179472), (7344, 2782038), (8568, 2384604), (9072, 2252126), (9639, 2119648), (11016, 1854692), (11424, 1788453), (12852, 1589736), (14688, 1391019), (17136, 1192302), (18144, 1126063), (19278, 1059824), (22032, 927346), (25704, 794868), (34272, 596151), (38556, 529912), (44064, 463673), (51408, 397434), (66239, 308448), (77112, 264956), (102816, 198717), (132478, 154224)]