20921906880

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:254

約数の個数: 896

約数和(自身を含む): 88168642560

約数和(自身を除く): 67246735680

約数列:

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4270, 4280, 4320, 4392, 4452, 4494, 4770, 4815, 4880, 5040, 5088, 5124, 5136, 5490, 5565, 5671, 5724, 5778, 5856, 5936, 5992, 6048, 6360, 6405, 6420, 6466, 6527, 6588, 6678, 6720, 6741, 6832, 6848, 7155, 7320, 7420, 7490, 7560, 7632, 7686, 7704, 8235, 8480, 8540, 8560, 8640, 8784, 8904, 8988, 9540, 9630, 9699, 9760, 10017, 10080, 10176, 10248, 10272, 10980, 11130, 11235, 11342, 11448, 11529, 11556, 11712, 11872, 11984, 12096, 12720, 12810, 12840, 12932, 13054, 13176, 13356, 13482, 13664, 14310, 14445, 14640, 14840, 14980, 15120, 15264, 15372, 15408, 16165, 16470, 16695, 16960, 17013, 17080, 17120, 17568, 17808, 17976, 19080, 19215, 19260, 19398, 19520, 19581, 20034, 20160, 20223, 20496, 20544, 21960, 22260, 22470, 22631, 22684, 22896, 23058, 23112, 23744, 23968, 25440, 25620, 25680, 25864, 26108, 26352, 26712, 26964, 27328, 28355, 28620, 28890, 29097, 29280, 29680, 29960, 30240, 30528, 30744, 30816, 32330, 32635, 32940, 33390, 33705, 34026, 34160, 34240, 35136, 35616, 35952, 38160, 38430, 38520, 38796, 39162, 39697, 40068, 40446, 40992, 43920, 44520, 44940, 45262, 45368, 45689, 45792, 46116, 46224, 47936, 48495, 50085, 50880, 51039, 51240, 51360, 51728, 52216, 52704, 53424, 53928, 56710, 57240, 57645, 57780, 58194, 58560, 58743, 59360, 59920, 60480, 61488, 61632, 64660, 65270, 65880, 66780, 67410, 67893, 68052, 68320, 71232, 71904, 76320, 76860, 77040, 77592, 78324, 79394, 80136, 80892, 81984, 85065, 87291, 87840, 89040, 89880, 90524, 90736, 91378, 91584, 92232, 92448, 96990, 97905, 100170, 101115, 102078, 102480, 102720, 103456, 104432, 105408, 106848, 107856, 113155, 113420, 114480, 115290, 115560, 116388, 117486, 118720, 119091, 119840, 122976, 129320, 130540, 131760, 133560, 134820, 135786, 136104, 136640, 137067, 143808, 145485, 152640, 153117, 153720, 154080, 155184, 156648, 158788, 160272, 161784, 170130, 174582, 175680, 176229, 178080, 179760, 181048, 181472, 182756, 184464, 184896, 193980, 195810, 198485, 200340, 202230, 203679, 204156, 204960, 206912, 208864, 213696, 215712, 226310, 226840, 228445, 228960, 230580, 231120, 232776, 234972, 238182, 239680, 245952, 255195, 258640, 261080, 263520, 267120, 269640, 271572, 272208, 274134, 290970, 293715, 306234, 307440, 308160, 310368, 313296, 317576, 320544, 323568, 339465, 340260, 345931, 349164, 352458, 356160, 357273, 359520, 362096, 362944, 365512, 368928, 387960, 391620, 396970, 400680, 404460, 407358, 408312, 409920, 411201, 417728, 431424, 436455, 452620, 453680, 456890, 457920, 461160, 462240, 465552, 469944, 476364, 510390, 517280, 522160, 527040, 534240, 539280, 543144, 544416, 548268, 581940, 587430, 595455, 611037, 612468, 614880, 620736, 626592, 635152, 641088, 647136, 678930, 680520, 685335, 691862, 698328, 704916, 714546, 719040, 724192, 731024, 737856, 765585, 775920, 783240, 793940, 801360, 808920, 814716, 816624, 822402, 872910, 881145, 905240, 907360, 913780, 922320, 924480, 931104, 939888, 952728, 1018395, 1020780, 1034560, 1037793, 1044320, 1068480, 1071819, 1078560, 1086288, 1088832, 1096536, 1163880, 1174860, 1190910, 1222074, 1224936, 1229760, 1233603, 1253184, 1270304, 1294272, 1357860, 1361040, 1370670, 1383724, 1396656, 1409832, 1429092, 1448384, 1462048, 1531170, 1551840, 1566480, 1587880, 1602720, 1617840, 1629432, 1633248, 1644804, 1729655, 1745820, 1762290, 1786365, 1810480, 1814720, 1827560, 1844640, 1862208, 1879776, 1905456, 2036790, 2041560, 2056005, 2075586, 2088640, 2143638, 2157120, 2172576, 2193072, 2327760, 2349720, 2381820, 2421517, 2444148, 2449872, 2467206, 2540608, 2715720, 2722080, 2741340, 2767448, 2793312, 2819664, 2858184, 2924096, 3055185, 3062340, 3103680, 3113379, 3132960, 3175760, 3205440, 3235680, 3258864, 3266496, 3289608, 3459310, 3491640, 3524580, 3572730, 3620960, 3655120, 3689280, 3759552, 3810912, 4073580, 4083120, 4112010, 4151172, 4287276, 4345152, 4386144, 4655520, 4699440, 4763640, 4843034, 4888296, 4899744, 4934412, 5188965, 5359095, 5431440, 5444160, 5482680, 5534896, 5586624, 5639328, 5716368, 6110370, 6124680, 6168015, 6226758, 6265920, 6351520, 6471360, 6517728, 6579216, 6918620, 6983280, 7049160, 7145460, 7241920, 7264551, 7310240, 7621824, 8147160, 8166240, 8224020, 8302344, 8574552, 8772288, 9311040, 9340137, 9398880, 9527280, 9686068, 9776592, 9799488, 9868824, 10377930, 10718190, 10862880, 10965360, 11069792, 11278656, 11432736, 12107585, 12220740, 12249360, 12336030, 12453516, 12703040, 13035456, 13158432, 13837240, 13966560, 14098320, 14290920, 14529102, 14620480, 15566895, 16294320, 16332480, 16448040, 16604688, 17149104, 18680274, 18797760, 19054560, 19372136, 19553184, 19737648, 20755860, 21436380, 21725760, 21793653, 21930720, 22139584, 22865472, 24215170, 24441480, 24498720, 24672060, 24907032, 26316864, 27674480, 27933120, 28196640, 28581840, 29058204, 31133790, 32588640, 32896080, 33209376, 34298208, 36322755, 37360548, 38109120, 38744272, 39106368, 39475296, 41511720, 42872760, 43587306, 43861440, 46700685, 48430340, 48882960, 48997440, 49344120, 49814064, 55348960, 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約数ペア:

[(1, 20921906880), (2, 10460953440), (3, 6973968960), (4, 5230476720), (5, 4184381376), (6, 3486984480), (7, 2988843840), (8, 2615238360), (9, 2324656320), (10, 2092190688), (12, 1743492240), (14, 1494421920), (15, 1394793792), (16, 1307619180), (18, 1162328160), (20, 1046095344), (21, 996281280), (24, 871746120), (27, 774885440), (28, 747210960), (30, 697396896), (32, 653809590), (35, 597768768), (36, 581164080), (40, 523047672), (42, 498140640), (45, 464931264), (48, 435873060), (53, 394752960), (54, 387442720), (56, 373605480), (60, 348698448), (61, 342982080), (63, 332093760), (64, 326904795), (70, 298884384), (72, 290582040), (80, 261523836), (84, 249070320), (90, 232465632), (96, 217936530), (105, 199256256), (106, 197376480), (107, 195531840), (108, 193721360), (112, 186802740), (120, 174349224), (122, 171491040), (126, 166046880), (135, 154977088), (140, 149442192), (144, 145291020), (159, 131584320), (160, 130761918), (168, 124535160), (180, 116232816), (183, 114327360), (189, 110697920), (192, 108968265), (210, 99628128), (212, 98688240), (214, 97765920), (216, 96860680), (224, 93401370), (240, 87174612), (244, 85745520), (252, 83023440), (265, 78950592), (270, 77488544), (280, 74721096), (288, 72645510), (305, 68596416), (315, 66418752), (318, 65792160), (320, 65380959), (321, 65177280), (336, 62267580), (360, 58116408), (366, 57163680), (371, 56393280), (378, 55348960), (420, 49814064), (424, 49344120), (427, 48997440), (428, 48882960), (432, 48430340), (448, 46700685), (477, 43861440), (480, 43587306), (488, 42872760), (504, 41511720), (530, 39475296), (535, 39106368), (540, 38744272), (549, 38109120), (560, 37360548), (576, 36322755), (610, 34298208), (630, 33209376), (636, 32896080), (642, 32588640), (672, 31133790), (720, 29058204), (732, 28581840), (742, 28196640), (749, 27933120), (756, 27674480), (795, 26316864), (840, 24907032), (848, 24672060), (854, 24498720), (856, 24441480), (864, 24215170), (915, 22865472), (945, 22139584), (954, 21930720), (960, 21793653), (963, 21725760), (976, 21436380), (1008, 20755860), (1060, 19737648), (1070, 19553184), (1080, 19372136), (1098, 19054560), (1113, 18797760), (1120, 18680274), (1220, 17149104), (1260, 16604688), (1272, 16448040), (1281, 16332480), (1284, 16294320), (1344, 15566895), (1431, 14620480), (1440, 14529102), (1464, 14290920), (1484, 14098320), (1498, 13966560), (1512, 13837240), (1590, 13158432), (1605, 13035456), (1647, 12703040), (1680, 12453516), (1696, 12336030), (1708, 12249360), (1712, 12220740), (1728, 12107585), (1830, 11432736), (1855, 11278656), (1890, 11069792), (1908, 10965360), (1926, 10862880), (1952, 10718190), (2016, 10377930), (2120, 9868824), (2135, 9799488), (2140, 9776592), (2160, 9686068), (2196, 9527280), (2226, 9398880), (2240, 9340137), (2247, 9311040), (2385, 8772288), (2440, 8574552), (2520, 8302344), (2544, 8224020), (2562, 8166240), (2568, 8147160), (2745, 7621824), (2862, 7310240), (2880, 7264551), (2889, 7241920), (2928, 7145460), (2968, 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(7560, 2767448), (7632, 2741340), (7686, 2722080), (7704, 2715720), (8235, 2540608), (8480, 2467206), (8540, 2449872), (8560, 2444148), (8640, 2421517), (8784, 2381820), (8904, 2349720), (8988, 2327760), (9540, 2193072), (9630, 2172576), (9699, 2157120), (9760, 2143638), (10017, 2088640), (10080, 2075586), (10176, 2056005), (10248, 2041560), (10272, 2036790), (10980, 1905456), (11130, 1879776), (11235, 1862208), (11342, 1844640), (11448, 1827560), (11529, 1814720), (11556, 1810480), (11712, 1786365), (11872, 1762290), (11984, 1745820), (12096, 1729655), (12720, 1644804), (12810, 1633248), (12840, 1629432), (12932, 1617840), (13054, 1602720), (13176, 1587880), (13356, 1566480), (13482, 1551840), (13664, 1531170), (14310, 1462048), (14445, 1448384), (14640, 1429092), (14840, 1409832), (14980, 1396656), (15120, 1383724), (15264, 1370670), (15372, 1361040), (15408, 1357860), (16165, 1294272), (16470, 1270304), (16695, 1253184), (16960, 1233603), (17013, 1229760), (17080, 1224936), (17120, 1222074), (17568, 1190910), (17808, 1174860), (17976, 1163880), (19080, 1096536), (19215, 1088832), (19260, 1086288), (19398, 1078560), (19520, 1071819), (19581, 1068480), (20034, 1044320), (20160, 1037793), (20223, 1034560), (20496, 1020780), (20544, 1018395), (21960, 952728), (22260, 939888), (22470, 931104), (22631, 924480), (22684, 922320), (22896, 913780), (23058, 907360), (23112, 905240), (23744, 881145), (23968, 872910), (25440, 822402), (25620, 816624), (25680, 814716), (25864, 808920), (26108, 801360), (26352, 793940), (26712, 783240), (26964, 775920), (27328, 765585), (28355, 737856), (28620, 731024), (28890, 724192), (29097, 719040), (29280, 714546), (29680, 704916), (29960, 698328), (30240, 691862), (30528, 685335), (30744, 680520), (30816, 678930), (32330, 647136), (32635, 641088), (32940, 635152), (33390, 626592), (33705, 620736), (34026, 614880), (34160, 612468), (34240, 611037), (35136, 595455), (35616, 587430), (35952, 581940), (38160, 548268), (38430, 544416), (38520, 543144), (38796, 539280), (39162, 534240), (39697, 527040), (40068, 522160), (40446, 517280), (40992, 510390), (43920, 476364), (44520, 469944), (44940, 465552), (45262, 462240), (45368, 461160), (45689, 457920), (45792, 456890), (46116, 453680), (46224, 452620), (47936, 436455), (48495, 431424), (50085, 417728), (50880, 411201), (51039, 409920), (51240, 408312), (51360, 407358), (51728, 404460), (52216, 400680), (52704, 396970), (53424, 391620), (53928, 387960), (56710, 368928), (57240, 365512), (57645, 362944), (57780, 362096), (58194, 359520), (58560, 357273), (58743, 356160), (59360, 352458), (59920, 349164), (60480, 345931), (61488, 340260), (61632, 339465), (64660, 323568), (65270, 320544), (65880, 317576), (66780, 313296), (67410, 310368), (67893, 308160), (68052, 307440), (68320, 306234), (71232, 293715), (71904, 290970), (76320, 274134), (76860, 272208), (77040, 271572), (77592, 269640), (78324, 267120), (79394, 263520), (80136, 261080), (80892, 258640), (81984, 255195), (85065, 245952), (87291, 239680), (87840, 238182), (89040, 234972), (89880, 232776), (90524, 231120), (90736, 230580), (91378, 228960), (91584, 228445), (92232, 226840), (92448, 226310), (96990, 215712), (97905, 213696), (100170, 208864), (101115, 206912), (102078, 204960), (102480, 204156), (102720, 203679), (103456, 202230), (104432, 200340), (105408, 198485), (106848, 195810), (107856, 193980), (113155, 184896), (113420, 184464), (114480, 182756), (115290, 181472), (115560, 181048), (116388, 179760), (117486, 178080), (118720, 176229), (119091, 175680), (119840, 174582), (122976, 170130), (129320, 161784), (130540, 160272), (131760, 158788), (133560, 156648), (134820, 155184), (135786, 154080), (136104, 153720), (136640, 153117), (137067, 152640), (143808, 145485)]