20671867392

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:771

約数の個数: 320

約数和(自身を含む): 63129673728

約数和(自身を除く): 42457806336

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 61, 62, 64, 66, 88, 93, 96, 122, 124, 128, 132, 176, 183, 186, 192, 244, 248, 256, 264, 341, 352, 366, 372, 384, 488, 496, 512, 528, 647, 671, 682, 704, 732, 744, 768, 976, 992, 1023, 1056, 1294, 1342, 1364, 1408, 1464, 1488, 1536, 1891, 1941, 1952, 1984, 2013, 2046, 2112, 2588, 2684, 2728, 2816, 2928, 2976, 3782, 3882, 3904, 3968, 4026, 4092, 4224, 5176, 5368, 5456, 5632, 5673, 5856, 5952, 7117, 7564, 7764, 7808, 7936, 8052, 8184, 8448, 10352, 10736, 10912, 11346, 11712, 11904, 14234, 15128, 15528, 15616, 15872, 16104, 16368, 16896, 20057, 20704, 20801, 21351, 21472, 21824, 22692, 23424, 23808, 28468, 30256, 31056, 31232, 32208, 32736, 39467, 40114, 41408, 41602, 42702, 42944, 43648, 45384, 46848, 47616, 56936, 60171, 60512, 62112, 62403, 64416, 65472, 78934, 80228, 82816, 83204, 85404, 85888, 87296, 90768, 93696, 113872, 118401, 120342, 121024, 124224, 124806, 128832, 130944, 157868, 160456, 165632, 166408, 170808, 171776, 174592, 181536, 220627, 227744, 236802, 240684, 242048, 248448, 249612, 257664, 261888, 315736, 320912, 331264, 332816, 341616, 343552, 363072, 434137, 441254, 455488, 473604, 481368, 484096, 496896, 499224, 515328, 523776, 631472, 641824, 661881, 665632, 683232, 726144, 868274, 882508, 910976, 947208, 962736, 968192, 993792, 998448, 1030656, 1223477, 1262944, 1283648, 1302411, 1323762, 1331264, 1366464, 1452288, 1736548, 1765016, 1821952, 1894416, 1925472, 1996896, 2446954, 2525888, 2567296, 2604822, 2647524, 2662528, 2732928, 2904576, 3473096, 3530032, 3643904, 3670431, 3788832, 3850944, 3993792, 4893908, 5051776, 5134592, 5209644, 5295048, 5325056, 5465856, 6946192, 7060064, 7340862, 7577664, 7701888, 7987584, 9787816, 10103552, 10269184, 10419288, 10590096, 10650112, 10931712, 13458247, 13892384, 14120128, 14681724, 15155328, 15403776, 15975168, 19575632, 20207104, 20838576, 21180192, 26916494, 27784768, 28240256, 29363448, 30310656, 30807552, 31950336, 39151264, 40374741, 41677152, 42360384, 53832988, 55569536, 56480512, 58726896, 60621312, 78302528, 80749482, 83354304, 84720768, 107665976, 111139072, 112961024, 117453792, 156605056, 161498964, 166708608, 169441536, 215331952, 222278144, 234907584, 313210112, 322997928, 333417216, 338883072, 430663904, 469815168, 626420224, 645995856, 666834432, 861327808, 939630336, 1291991712, 1722655616, 1879260672, 2583983424, 3445311232, 5167966848, 6890622464, 10335933696, 20671867392]

約数ペア:

[(1, 20671867392), (2, 10335933696), (3, 6890622464), (4, 5167966848), (6, 3445311232), (8, 2583983424), (11, 1879260672), (12, 1722655616), (16, 1291991712), (22, 939630336), (24, 861327808), (31, 666834432), (32, 645995856), (33, 626420224), (44, 469815168), (48, 430663904), (61, 338883072), (62, 333417216), (64, 322997928), (66, 313210112), (88, 234907584), (93, 222278144), (96, 215331952), (122, 169441536), (124, 166708608), (128, 161498964), (132, 156605056), (176, 117453792), (183, 112961024), (186, 111139072), (192, 107665976), (244, 84720768), (248, 83354304), (256, 80749482), (264, 78302528), (341, 60621312), (352, 58726896), (366, 56480512), (372, 55569536), (384, 53832988), (488, 42360384), (496, 41677152), (512, 40374741), (528, 39151264), (647, 31950336), (671, 30807552), (682, 30310656), (704, 29363448), (732, 28240256), (744, 27784768), (768, 26916494), (976, 21180192), (992, 20838576), (1023, 20207104), (1056, 19575632), (1294, 15975168), (1342, 15403776), (1364, 15155328), (1408, 14681724), (1464, 14120128), (1488, 13892384), (1536, 13458247), (1891, 10931712), (1941, 10650112), (1952, 10590096), (1984, 10419288), (2013, 10269184), (2046, 10103552), (2112, 9787816), (2588, 7987584), (2684, 7701888), (2728, 7577664), (2816, 7340862), (2928, 7060064), (2976, 6946192), (3782, 5465856), (3882, 5325056), (3904, 5295048), (3968, 5209644), (4026, 5134592), (4092, 5051776), (4224, 4893908), (5176, 3993792), (5368, 3850944), (5456, 3788832), (5632, 3670431), (5673, 3643904), (5856, 3530032), (5952, 3473096), (7117, 2904576), (7564, 2732928), (7764, 2662528), (7808, 2647524), (7936, 2604822), (8052, 2567296), (8184, 2525888), (8448, 2446954), (10352, 1996896), (10736, 1925472), (10912, 1894416), (11346, 1821952), (11712, 1765016), (11904, 1736548), (14234, 1452288), (15128, 1366464), (15528, 1331264), (15616, 1323762), (15872, 1302411), (16104, 1283648), (16368, 1262944), (16896, 1223477), (20057, 1030656), (20704, 998448), (20801, 993792), (21351, 968192), (21472, 962736), (21824, 947208), (22692, 910976), (23424, 882508), (23808, 868274), (28468, 726144), (30256, 683232), (31056, 665632), (31232, 661881), (32208, 641824), (32736, 631472), (39467, 523776), (40114, 515328), (41408, 499224), (41602, 496896), (42702, 484096), (42944, 481368), (43648, 473604), (45384, 455488), (46848, 441254), (47616, 434137), (56936, 363072), (60171, 343552), (60512, 341616), (62112, 332816), (62403, 331264), (64416, 320912), (65472, 315736), (78934, 261888), (80228, 257664), (82816, 249612), (83204, 248448), (85404, 242048), (85888, 240684), (87296, 236802), (90768, 227744), (93696, 220627), (113872, 181536), (118401, 174592), (120342, 171776), (121024, 170808), (124224, 166408), (124806, 165632), (128832, 160456), (130944, 157868)]