20461890816

素因数分解:

$2^8\times 3^5\times {\mathrm{97}}^1\times {\mathrm{3391}}^1$

素因数の和:3519

約数の個数: 216

約数和(自身を含む): 61830705664

約数和(自身を除く): 41368814848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 97, 108, 128, 144, 162, 192, 194, 216, 243, 256, 288, 291, 324, 384, 388, 432, 486, 576, 582, 648, 768, 776, 864, 873, 972, 1152, 1164, 1296, 1552, 1728, 1746, 1944, 2304, 2328, 2592, 2619, 3104, 3391, 3456, 3492, 3888, 4656, 5184, 5238, 6208, 6782, 6912, 6984, 7776, 7857, 9312, 10173, 10368, 10476, 12416, 13564, 13968, 15552, 15714, 18624, 20346, 20736, 20952, 23571, 24832, 27128, 27936, 30519, 31104, 31428, 37248, 40692, 41904, 47142, 54256, 55872, 61038, 62208, 62856, 74496, 81384, 83808, 91557, 94284, 108512, 111744, 122076, 125712, 162768, 167616, 183114, 188568, 217024, 223488, 244152, 251424, 274671, 325536, 328927, 335232, 366228, 377136, 434048, 488304, 502848, 549342, 651072, 657854, 670464, 732456, 754272, 824013, 868096, 976608, 986781, 1005696, 1098684, 1302144, 1315708, 1464912, 1508544, 1648026, 1953216, 1973562, 2011392, 2197368, 2604288, 2631416, 2929824, 2960343, 3017088, 3296052, 3906432, 3947124, 4394736, 5262832, 5859648, 5920686, 6034176, 6592104, 7812864, 7894248, 8789472, 8881029, 10525664, 11719296, 11841372, 13184208, 15788496, 17578944, 17762058, 21051328, 23438592, 23682744, 26368416, 26643087, 31576992, 35157888, 35524116, 42102656, 47365488, 52736832, 53286174, 63153984, 70315776, 71048232, 79929261, 84205312, 94730976, 105473664, 106572348, 126307968, 142096464, 159858522, 189461952, 210947328, 213144696, 252615936, 284192928, 319717044, 378923904, 426289392, 568385856, 639434088, 757847808, 852578784, 1136771712, 1278868176, 1705157568, 2273543424, 2557736352, 3410315136, 5115472704, 6820630272, 10230945408, 20461890816]

約数ペア:

[(1, 20461890816), (2, 10230945408), (3, 6820630272), (4, 5115472704), (6, 3410315136), (8, 2557736352), (9, 2273543424), (12, 1705157568), (16, 1278868176), (18, 1136771712), (24, 852578784), (27, 757847808), (32, 639434088), (36, 568385856), (48, 426289392), (54, 378923904), (64, 319717044), (72, 284192928), (81, 252615936), (96, 213144696), (97, 210947328), (108, 189461952), (128, 159858522), (144, 142096464), (162, 126307968), (192, 106572348), (194, 105473664), (216, 94730976), (243, 84205312), (256, 79929261), (288, 71048232), (291, 70315776), (324, 63153984), (384, 53286174), (388, 52736832), (432, 47365488), (486, 42102656), (576, 35524116), (582, 35157888), (648, 31576992), (768, 26643087), (776, 26368416), (864, 23682744), (873, 23438592), (972, 21051328), (1152, 17762058), (1164, 17578944), (1296, 15788496), (1552, 13184208), (1728, 11841372), (1746, 11719296), (1944, 10525664), (2304, 8881029), (2328, 8789472), (2592, 7894248), (2619, 7812864), (3104, 6592104), (3391, 6034176), (3456, 5920686), (3492, 5859648), (3888, 5262832), (4656, 4394736), (5184, 3947124), (5238, 3906432), (6208, 3296052), (6782, 3017088), (6912, 2960343), (6984, 2929824), (7776, 2631416), (7857, 2604288), (9312, 2197368), (10173, 2011392), (10368, 1973562), (10476, 1953216), (12416, 1648026), (13564, 1508544), (13968, 1464912), (15552, 1315708), (15714, 1302144), (18624, 1098684), (20346, 1005696), (20736, 986781), (20952, 976608), (23571, 868096), (24832, 824013), (27128, 754272), (27936, 732456), (30519, 670464), (31104, 657854), (31428, 651072), (37248, 549342), (40692, 502848), (41904, 488304), (47142, 434048), (54256, 377136), (55872, 366228), (61038, 335232), (62208, 328927), (62856, 325536), (74496, 274671), (81384, 251424), (83808, 244152), (91557, 223488), (94284, 217024), (108512, 188568), (111744, 183114), (122076, 167616), (125712, 162768)]