20928311040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 864

約数和(自身を含む): 87905212416

約数和(自身を除く): 66976901376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 32, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 64, 65, 68, 70, 78, 80, 84, 85, 91, 96, 102, 104, 105, 112, 119, 120, 128, 130, 136, 140, 156, 160, 168, 169, 170, 182, 192, 195, 204, 208, 210, 221, 224, 238, 240, 255, 256, 260, 271, 272, 273, 280, 312, 320, 336, 338, 340, 357, 364, 384, 390, 408, 416, 420, 442, 448, 455, 476, 480, 507, 510, 520, 542, 544, 546, 560, 595, 624, 640, 663, 672, 676, 680, 714, 728, 768, 780, 813, 816, 832, 840, 845, 884, 896, 910, 952, 960, 1014, 1020, 1040, 1084, 1088, 1092, 1105, 1120, 1183, 1190, 1248, 1280, 1326, 1344, 1352, 1355, 1360, 1365, 1428, 1456, 1547, 1560, 1626, 1632, 1664, 1680, 1690, 1768, 1785, 1792, 1820, 1897, 1904, 1920, 2028, 2040, 2080, 2168, 2176, 2184, 2210, 2240, 2366, 2380, 2496, 2535, 2652, 2688, 2704, 2710, 2720, 2730, 2856, 2873, 2912, 3094, 3120, 3252, 3264, 3315, 3328, 3360, 3380, 3523, 3536, 3549, 3570, 3640, 3794, 3808, 3840, 4056, 4065, 4080, 4160, 4336, 4352, 4368, 4420, 4480, 4607, 4641, 4732, 4760, 4992, 5070, 5304, 5376, 5408, 5420, 5440, 5460, 5691, 5712, 5746, 5824, 5915, 6188, 6240, 6504, 6528, 6630, 6720, 6760, 7046, 7072, 7098, 7140, 7280, 7588, 7616, 7735, 8112, 8130, 8160, 8320, 8619, 8672, 8736, 8840, 8960, 9214, 9282, 9464, 9485, 9520, 9984, 10140, 10569, 10608, 10816, 10840, 10880, 10920, 11382, 11424, 11492, 11648, 11830, 12376, 12480, 13008, 13056, 13260, 13440, 13520, 13821, 14092, 14144, 14196, 14280, 14365, 14560, 15176, 15232, 15470, 16224, 16260, 16320, 16640, 17238, 17344, 17472, 17615, 17680, 17745, 18428, 18564, 18928, 18970, 19040, 20111, 20280, 21138, 21216, 21632, 21680, 21760, 21840, 22764, 22848, 22984, 23035, 23205, 23296, 23660, 24661, 24752, 24960, 26016, 26520, 26880, 27040, 27642, 28184, 28288, 28392, 28455, 28560, 28730, 29120, 30352, 30464, 30940, 32249, 32448, 32520, 32640, 34476, 34688, 34944, 35230, 35360, 35490, 36856, 37128, 37856, 37940, 38080, 40222, 40560, 42276, 42432, 43095, 43264, 43360, 43680, 45528, 45696, 45799, 45968, 46070, 46410, 47320, 49322, 49504, 49920, 52032, 52845, 53040, 54080, 55284, 56368, 56576, 56784, 56910, 57120, 57460, 58240, 59891, 60333, 60704, 61880, 64498, 64896, 65040, 65280, 68952, 69105, 69376, 69888, 70460, 70720, 70980, 73712, 73983, 74256, 75712, 75880, 76160, 80444, 81120, 84552, 84864, 86190, 86720, 87360, 91056, 91392, 91598, 91936, 92140, 92820, 94640, 96747, 98644, 99008, 100555, 104064, 105690, 106080, 108160, 110568, 112736, 113568, 113820, 114240, 114920, 116480, 119782, 120666, 121408, 123305, 123760, 128996, 129792, 130080, 137397, 137904, 138210, 140920, 141440, 141960, 147424, 147966, 148512, 151424, 151760, 152320, 160888, 161245, 162240, 169104, 169728, 172380, 173440, 174720, 179673, 182112, 183196, 183872, 184280, 185640, 189280, 193494, 197288, 198016, 201110, 208128, 211380, 212160, 216320, 221136, 225472, 227136, 227640, 228480, 228995, 229840, 239564, 241332, 242816, 246610, 247520, 257992, 260160, 274794, 275808, 276420, 281840, 282880, 283920, 294848, 295932, 297024, 299455, 301665, 302848, 303520, 320593, 321776, 322490, 324480, 338208, 344760, 346880, 349440, 359346, 364224, 366392, 367744, 368560, 369915, 371280, 378560, 386988, 394576, 396032, 402220, 419237, 422760, 424320, 442272, 450944, 454272, 455280, 456960, 457990, 459680, 479128, 482664, 483735, 485632, 493220, 495040, 515984, 520320, 549588, 551616, 552840, 563680, 567840, 589696, 591864, 594048, 598910, 603330, 607040, 641186, 643552, 644980, 648960, 676416, 686985, 689520, 718692, 728448, 732784, 735488, 737120, 739830, 742560, 757120, 773976, 778583, 789152, 804440, 838474, 845520, 848640, 884544, 898365, 901888, 908544, 910560, 915980, 919360, 958256, 961779, 965328, 967470, 986440, 990080, 1031968, 1040640, 1099176, 1103232, 1105680, 1127360, 1135680, 1179392, 1183728, 1188096, 1197820, 1206660, 1214080, 1257711, 1282372, 1287104, 1289960, 1352832, 1373970, 1379040, 1437384, 1456896, 1465568, 1474240, 1479660, 1485120, 1514240, 1547952, 1557166, 1578304, 1602965, 1608880, 1676948, 1691040, 1769088, 1796730, 1821120, 1831960, 1838720, 1916512, 1923558, 1930656, 1934940, 1972880, 1980160, 2063936, 2096185, 2198352, 2206464, 2211360, 2254720, 2271360, 2335749, 2367456, 2395640, 2413320, 2428160, 2515422, 2564744, 2574208, 2579920, 2705664, 2747940, 2758080, 2874768, 2931136, 2948480, 2959320, 2970240, 3095904, 3114332, 3156608, 3205930, 3217760, 3353896, 3382080, 3538176, 3593460, 3642240, 3663920, 3677440, 3833024, 3847116, 3861312, 3869880, 3892915, 3945760, 4127872, 4192370, 4396704, 4422720, 4509440, 4542720, 4671498, 4734912, 4791280, 4808895, 4826640, 5030844, 5129488, 5148416, 5159840, 5450081, 5495880, 5516160, 5749536, 5862272, 5896960, 5918640, 5940480, 6191808, 6228664, 6288555, 6313216, 6411860, 6435520, 6707792, 6764160, 7186920, 7284480, 7327840, 7666048, 7694232, 7722624, 7739760, 7785830, 7891520, 8255744, 8384740, 8793408, 8845440, 9342996, 9469824, 9582560, 9617790, 9653280, 10061688, 10258976, 10319680, 10900162, 10991760, 11032320, 11499072, 11678745, 11724544, 11837280, 12383616, 12457328, 12577110, 12823720, 12871040, 13415584, 13528320, 14373840, 14655680, 15332096, 15388464, 15445248, 15479520, 15571660, 15783040, 16350243, 16769480, 17586816, 17690880, 18685992, 18939648, 19165120, 19235580, 19306560, 20123376, 20517952, 20639360, 21800324, 21983520, 22998144, 23357490, 23674560, 24767232, 24914656, 25154220, 25647440, 25742080, 26831168, 27250405, 28747680, 29311360, 30776928, 30959040, 31143320, 31566080, 32700486, 33538960, 35173632, 37371984, 38330240, 38471160, 38613120, 40246752, 41035904, 41278720, 43600648, 43967040, 45996288, 46714980, 47349120, 49829312, 50308440, 51294880, 53662336, 54500810, 57495360, 58622720, 61553856, 61918080, 62286640, 65400972, 67077920, 74743968, 76660480, 76942320, 77226240, 80493504, 81751215, 82071808, 87201296, 87934080, 93429960, 94698240, 99658624, 100616880, 102589760, 107324672, 109001620, 114990720, 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約数ペア:

[(1, 20928311040), (2, 10464155520), (3, 6976103680), (4, 5232077760), (5, 4185662208), (6, 3488051840), (7, 2989758720), (8, 2616038880), (10, 2092831104), (12, 1744025920), (13, 1609870080), (14, 1494879360), (15, 1395220736), (16, 1308019440), (17, 1231077120), (20, 1046415552), (21, 996586240), (24, 872012960), (26, 804935040), (28, 747439680), (30, 697610368), (32, 654009720), (34, 615538560), (35, 597951744), (39, 536623360), (40, 523207776), (42, 498293120), (48, 436006480), (51, 410359040), (52, 402467520), (56, 373719840), (60, 348805184), (64, 327004860), (65, 321974016), (68, 307769280), (70, 298975872), (78, 268311680), (80, 261603888), (84, 249146560), (85, 246215424), (91, 229981440), (96, 218003240), (102, 205179520), (104, 201233760), (105, 199317248), (112, 186859920), (119, 175868160), (120, 174402592), (128, 163502430), (130, 160987008), (136, 153884640), (140, 149487936), (156, 134155840), (160, 130801944), (168, 124573280), (169, 123836160), (170, 123107712), (182, 114990720), (192, 109001620), (195, 107324672), (204, 102589760), (208, 100616880), (210, 99658624), (221, 94698240), (224, 93429960), (238, 87934080), (240, 87201296), (255, 82071808), (256, 81751215), (260, 80493504), (271, 77226240), (272, 76942320), (273, 76660480), (280, 74743968), (312, 67077920), (320, 65400972), (336, 62286640), (338, 61918080), (340, 61553856), (357, 58622720), (364, 57495360), (384, 54500810), (390, 53662336), (408, 51294880), (416, 50308440), (420, 49829312), (442, 47349120), (448, 46714980), (455, 45996288), (476, 43967040), (480, 43600648), (507, 41278720), (510, 41035904), (520, 40246752), (542, 38613120), (544, 38471160), (546, 38330240), (560, 37371984), (595, 35173632), (624, 33538960), (640, 32700486), (663, 31566080), (672, 31143320), (676, 30959040), (680, 30776928), (714, 29311360), (728, 28747680), (768, 27250405), (780, 26831168), (813, 25742080), (816, 25647440), (832, 25154220), (840, 24914656), (845, 24767232), (884, 23674560), (896, 23357490), (910, 22998144), (952, 21983520), (960, 21800324), (1014, 20639360), (1020, 20517952), (1040, 20123376), (1084, 19306560), (1088, 19235580), (1092, 19165120), (1105, 18939648), (1120, 18685992), (1183, 17690880), (1190, 17586816), (1248, 16769480), (1280, 16350243), (1326, 15783040), (1344, 15571660), (1352, 15479520), (1355, 15445248), (1360, 15388464), (1365, 15332096), (1428, 14655680), (1456, 14373840), (1547, 13528320), (1560, 13415584), (1626, 12871040), (1632, 12823720), (1664, 12577110), (1680, 12457328), (1690, 12383616), (1768, 11837280), (1785, 11724544), (1792, 11678745), (1820, 11499072), (1897, 11032320), (1904, 10991760), (1920, 10900162), (2028, 10319680), (2040, 10258976), (2080, 10061688), (2168, 9653280), (2176, 9617790), (2184, 9582560), (2210, 9469824), (2240, 9342996), (2366, 8845440), (2380, 8793408), (2496, 8384740), (2535, 8255744), (2652, 7891520), (2688, 7785830), (2704, 7739760), (2710, 7722624), (2720, 7694232), (2730, 7666048), (2856, 7327840), (2873, 7284480), (2912, 7186920), (3094, 6764160), (3120, 6707792), (3252, 6435520), (3264, 6411860), (3315, 6313216), (3328, 6288555), (3360, 6228664), (3380, 6191808), (3523, 5940480), (3536, 5918640), (3549, 5896960), (3570, 5862272), (3640, 5749536), (3794, 5516160), (3808, 5495880), (3840, 5450081), (4056, 5159840), (4065, 5148416), (4080, 5129488), (4160, 5030844), (4336, 4826640), (4352, 4808895), (4368, 4791280), (4420, 4734912), (4480, 4671498), (4607, 4542720), (4641, 4509440), (4732, 4422720), (4760, 4396704), (4992, 4192370), (5070, 4127872), (5304, 3945760), (5376, 3892915), (5408, 3869880), (5420, 3861312), (5440, 3847116), (5460, 3833024), (5691, 3677440), (5712, 3663920), (5746, 3642240), (5824, 3593460), (5915, 3538176), (6188, 3382080), (6240, 3353896), (6504, 3217760), (6528, 3205930), (6630, 3156608), (6720, 3114332), (6760, 3095904), (7046, 2970240), (7072, 2959320), (7098, 2948480), (7140, 2931136), (7280, 2874768), (7588, 2758080), (7616, 2747940), (7735, 2705664), (8112, 2579920), (8130, 2574208), (8160, 2564744), (8320, 2515422), (8619, 2428160), (8672, 2413320), (8736, 2395640), (8840, 2367456), (8960, 2335749), (9214, 2271360), (9282, 2254720), (9464, 2211360), (9485, 2206464), (9520, 2198352), (9984, 2096185), (10140, 2063936), (10569, 1980160), (10608, 1972880), (10816, 1934940), (10840, 1930656), (10880, 1923558), (10920, 1916512), (11382, 1838720), (11424, 1831960), (11492, 1821120), (11648, 1796730), (11830, 1769088), (12376, 1691040), (12480, 1676948), (13008, 1608880), (13056, 1602965), (13260, 1578304), (13440, 1557166), (13520, 1547952), (13821, 1514240), (14092, 1485120), (14144, 1479660), (14196, 1474240), (14280, 1465568), (14365, 1456896), (14560, 1437384), (15176, 1379040), (15232, 1373970), (15470, 1352832), (16224, 1289960), (16260, 1287104), (16320, 1282372), (16640, 1257711), (17238, 1214080), (17344, 1206660), (17472, 1197820), (17615, 1188096), (17680, 1183728), (17745, 1179392), (18428, 1135680), (18564, 1127360), (18928, 1105680), (18970, 1103232), (19040, 1099176), (20111, 1040640), (20280, 1031968), (21138, 990080), (21216, 986440), (21632, 967470), (21680, 965328), (21760, 961779), (21840, 958256), (22764, 919360), (22848, 915980), (22984, 910560), (23035, 908544), (23205, 901888), (23296, 898365), (23660, 884544), (24661, 848640), (24752, 845520), (24960, 838474), (26016, 804440), (26520, 789152), (26880, 778583), (27040, 773976), (27642, 757120), (28184, 742560), (28288, 739830), (28392, 737120), (28455, 735488), (28560, 732784), (28730, 728448), (29120, 718692), (30352, 689520), (30464, 686985), (30940, 676416), (32249, 648960), (32448, 644980), (32520, 643552), (32640, 641186), (34476, 607040), (34688, 603330), (34944, 598910), (35230, 594048), (35360, 591864), (35490, 589696), (36856, 567840), (37128, 563680), (37856, 552840), (37940, 551616), (38080, 549588), (40222, 520320), (40560, 515984), (42276, 495040), (42432, 493220), (43095, 485632), (43264, 483735), (43360, 482664), (43680, 479128), (45528, 459680), (45696, 457990), (45799, 456960), (45968, 455280), (46070, 454272), (46410, 450944), (47320, 442272), (49322, 424320), (49504, 422760), (49920, 419237), (52032, 402220), (52845, 396032), (53040, 394576), (54080, 386988), (55284, 378560), (56368, 371280), (56576, 369915), (56784, 368560), (56910, 367744), (57120, 366392), (57460, 364224), (58240, 359346), (59891, 349440), (60333, 346880), (60704, 344760), (61880, 338208), (64498, 324480), (64896, 322490), (65040, 321776), (65280, 320593), (68952, 303520), (69105, 302848), (69376, 301665), (69888, 299455), (70460, 297024), (70720, 295932), (70980, 294848), (73712, 283920), (73983, 282880), (74256, 281840), (75712, 276420), (75880, 275808), (76160, 274794), (80444, 260160), (81120, 257992), (84552, 247520), (84864, 246610), (86190, 242816), (86720, 241332), (87360, 239564), (91056, 229840), (91392, 228995), (91598, 228480), (91936, 227640), (92140, 227136), (92820, 225472), (94640, 221136), (96747, 216320), (98644, 212160), (99008, 211380), (100555, 208128), (104064, 201110), (105690, 198016), (106080, 197288), (108160, 193494), (110568, 189280), (112736, 185640), (113568, 184280), (113820, 183872), (114240, 183196), (114920, 182112), (116480, 179673), (119782, 174720), (120666, 173440), (121408, 172380), (123305, 169728), (123760, 169104), (128996, 162240), (129792, 161245), (130080, 160888), (137397, 152320), (137904, 151760), (138210, 151424), (140920, 148512), (141440, 147966), (141960, 147424)]