20282459008

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 256

約数和(自身を含む): 50486768640

約数和(自身を除く): 30204309632

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 64, 68, 83, 112, 119, 122, 128, 136, 166, 224, 238, 244, 263, 272, 332, 427, 448, 476, 488, 526, 544, 581, 664, 854, 896, 952, 976, 1037, 1052, 1088, 1162, 1328, 1411, 1708, 1841, 1904, 1952, 2074, 2104, 2176, 2324, 2656, 2822, 3416, 3682, 3808, 3904, 4148, 4208, 4471, 4648, 5063, 5312, 5644, 6832, 7259, 7364, 7616, 7808, 8296, 8416, 8942, 9296, 9877, 10126, 10624, 11288, 13664, 14518, 14728, 15232, 16043, 16592, 16832, 17884, 18592, 19754, 20252, 21829, 22576, 27328, 29036, 29456, 31297, 32086, 33184, 33664, 35441, 35768, 37184, 39508, 40504, 43658, 45152, 54656, 58072, 58912, 62594, 64172, 66368, 70882, 71536, 74368, 79016, 81008, 86071, 87316, 90304, 112301, 116144, 117824, 125188, 128344, 132736, 141764, 143072, 152803, 158032, 162016, 172142, 174632, 180608, 224602, 232288, 235648, 250376, 256688, 272731, 283528, 286144, 305606, 316064, 324032, 344284, 349264, 371093, 449204, 464576, 500752, 513376, 545462, 567056, 572288, 602497, 611212, 632128, 648064, 688568, 698528, 742186, 898408, 929152, 1001504, 1026752, 1090924, 1134112, 1204994, 1222424, 1264256, 1331569, 1377136, 1397056, 1484372, 1796816, 1909117, 2003008, 2053504, 2181848, 2268224, 2409988, 2444848, 2597651, 2663138, 2754272, 2794112, 2968744, 3593632, 3818234, 4006016, 4363696, 4536448, 4819976, 4889696, 5195302, 5326276, 5508544, 5937488, 7187264, 7636468, 8727392, 9320983, 9639952, 9779392, 10390604, 10652552, 11017088, 11874976, 14374528, 15272936, 17454784, 18641966, 19279904, 19558784, 20781208, 21305104, 22636673, 23749952, 30545872, 34909568, 37283932, 38559808, 41562416, 42610208, 45273346, 47499904, 61091744, 74567864, 77119616, 83124832, 85220416, 90546692, 122183488, 149135728, 158456711, 166249664, 170440832, 181093384, 244366976, 298271456, 316913422, 332499328, 362186768, 596542912, 633826844, 724373536, 1193085824, 1267653688, 1448747072, 2535307376, 2897494144, 5070614752, 10141229504, 20282459008]

約数ペア:

[(1, 20282459008), (2, 10141229504), (4, 5070614752), (7, 2897494144), (8, 2535307376), (14, 1448747072), (16, 1267653688), (17, 1193085824), (28, 724373536), (32, 633826844), (34, 596542912), (56, 362186768), (61, 332499328), (64, 316913422), (68, 298271456), (83, 244366976), (112, 181093384), (119, 170440832), (122, 166249664), (128, 158456711), (136, 149135728), (166, 122183488), (224, 90546692), (238, 85220416), (244, 83124832), (263, 77119616), (272, 74567864), (332, 61091744), (427, 47499904), (448, 45273346), (476, 42610208), (488, 41562416), (526, 38559808), (544, 37283932), (581, 34909568), (664, 30545872), (854, 23749952), (896, 22636673), (952, 21305104), (976, 20781208), (1037, 19558784), (1052, 19279904), (1088, 18641966), (1162, 17454784), (1328, 15272936), (1411, 14374528), (1708, 11874976), (1841, 11017088), (1904, 10652552), (1952, 10390604), (2074, 9779392), (2104, 9639952), (2176, 9320983), (2324, 8727392), (2656, 7636468), (2822, 7187264), (3416, 5937488), (3682, 5508544), (3808, 5326276), (3904, 5195302), (4148, 4889696), (4208, 4819976), (4471, 4536448), (4648, 4363696), (5063, 4006016), (5312, 3818234), (5644, 3593632), (6832, 2968744), (7259, 2794112), (7364, 2754272), (7616, 2663138), (7808, 2597651), (8296, 2444848), (8416, 2409988), (8942, 2268224), (9296, 2181848), (9877, 2053504), (10126, 2003008), (10624, 1909117), (11288, 1796816), (13664, 1484372), (14518, 1397056), (14728, 1377136), (15232, 1331569), (16043, 1264256), (16592, 1222424), (16832, 1204994), (17884, 1134112), (18592, 1090924), (19754, 1026752), (20252, 1001504), (21829, 929152), (22576, 898408), (27328, 742186), (29036, 698528), (29456, 688568), (31297, 648064), (32086, 632128), (33184, 611212), (33664, 602497), (35441, 572288), (35768, 567056), (37184, 545462), (39508, 513376), (40504, 500752), (43658, 464576), (45152, 449204), (54656, 371093), (58072, 349264), (58912, 344284), (62594, 324032), (64172, 316064), (66368, 305606), (70882, 286144), (71536, 283528), (74368, 272731), (79016, 256688), (81008, 250376), (86071, 235648), (87316, 232288), (90304, 224602), (112301, 180608), (116144, 174632), (117824, 172142), (125188, 162016), (128344, 158032), (132736, 152803), (141764, 143072)]