20631409920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 972

約数和(自身を含む): 84828426228

約数和(自身を除く): 64197016308

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 32, 33, 36, 38, 40, 41, 44, 45, 48, 55, 57, 60, 64, 66, 72, 76, 80, 82, 88, 90, 95, 96, 99, 110, 114, 120, 121, 123, 128, 132, 144, 152, 160, 164, 165, 171, 176, 180, 190, 192, 198, 205, 209, 220, 228, 240, 242, 246, 256, 264, 285, 288, 304, 320, 328, 330, 342, 352, 360, 361, 363, 369, 380, 384, 396, 410, 418, 440, 451, 456, 480, 484, 492, 495, 528, 570, 576, 605, 608, 615, 627, 640, 656, 660, 684, 704, 720, 722, 726, 738, 760, 768, 779, 792, 820, 836, 855, 880, 902, 912, 960, 968, 984, 990, 1045, 1056, 1083, 1089, 1140, 1152, 1210, 1216, 1230, 1254, 1280, 1312, 1320, 1353, 1368, 1408, 1440, 1444, 1452, 1476, 1520, 1558, 1584, 1640, 1672, 1710, 1760, 1804, 1805, 1815, 1824, 1845, 1881, 1920, 1936, 1968, 1980, 2090, 2112, 2166, 2178, 2255, 2280, 2299, 2304, 2337, 2420, 2432, 2460, 2508, 2624, 2640, 2706, 2736, 2816, 2880, 2888, 2904, 2952, 3040, 3116, 3135, 3168, 3249, 3280, 3344, 3420, 3520, 3608, 3610, 3630, 3648, 3690, 3762, 3840, 3872, 3895, 3936, 3960, 3971, 4059, 4180, 4224, 4332, 4356, 4510, 4560, 4598, 4674, 4840, 4864, 4920, 4961, 5016, 5248, 5280, 5412, 5415, 5445, 5472, 5760, 5776, 5808, 5904, 6080, 6232, 6270, 6336, 6498, 6560, 6688, 6765, 6840, 6897, 7011, 7040, 7216, 7220, 7260, 7296, 7380, 7524, 7744, 7790, 7872, 7920, 7942, 8118, 8360, 8448, 8569, 8664, 8712, 9020, 9120, 9196, 9348, 9405, 9680, 9840, 9922, 10032, 10496, 10560, 10824, 10830, 10890, 10944, 11495, 11520, 11552, 11616, 11685, 11808, 11913, 12160, 12464, 12540, 12672, 12996, 13120, 13376, 13530, 13680, 13794, 14022, 14080, 14432, 14440, 14520, 14592, 14760, 14801, 14883, 15048, 15488, 15580, 15744, 15840, 15884, 16236, 16245, 16720, 17138, 17328, 17424, 18040, 18240, 18392, 18696, 18810, 19360, 19680, 19844, 19855, 20064, 20295, 20691, 21120, 21648, 21660, 21780, 21888, 22990, 23104, 23232, 23370, 23616, 23826, 24320, 24805, 24928, 25080, 25344, 25707, 25992, 26240, 26752, 27060, 27360, 27588, 28044, 28864, 28880, 29040, 29520, 29602, 29766, 30096, 30976, 31160, 31488, 31680, 31768, 32472, 32490, 33440, 34276, 34485, 34656, 34848, 35055, 35739, 36080, 36480, 36784, 37392, 37620, 38720, 39360, 39688, 39710, 40128, 40590, 41382, 42240, 42845, 43296, 43320, 43560, 43681, 43776, 44403, 44649, 45980, 46208, 46464, 46740, 47232, 47652, 49610, 49856, 50160, 51414, 51984, 52480, 53504, 54120, 54720, 55176, 56088, 57728, 57760, 58080, 59040, 59204, 59532, 59565, 60192, 62320, 63360, 63536, 64944, 64980, 66880, 68552, 68970, 69312, 69696, 70110, 71478, 72160, 72960, 73568, 74005, 74415, 74784, 75240, 77121, 77440, 78720, 79376, 79420, 80256, 81180, 82764, 85690, 86592, 86640, 87120, 87362, 88806, 89298, 91960, 92416, 92928, 93480, 94259, 94464, 95304, 99220, 99712, 100320, 102828, 103455, 103968, 108240, 109440, 110352, 112176, 115456, 115520, 116160, 118080, 118408, 119064, 119130, 120384, 124640, 126720, 127072, 128535, 129888, 129960, 131043, 133209, 133760, 137104, 137940, 138624, 139392, 140220, 142956, 144320, 147136, 148010, 148830, 149568, 150480, 154242, 154880, 157440, 158752, 158840, 160512, 162360, 162811, 165528, 171380, 173184, 173280, 174240, 174724, 177612, 178596, 178695, 183920, 186960, 188518, 190608, 198440, 199424, 200640, 205656, 206910, 207936, 216480, 218405, 218880, 220704, 222015, 223245, 224352, 231040, 232320, 236160, 236816, 238128, 238260, 240768, 249280, 254144, 257070, 259776, 259920, 262086, 266418, 267520, 274208, 275880, 277248, 278784, 280440, 282777, 285912, 288640, 294272, 296020, 297660, 299136, 300960, 308484, 317504, 317680, 324720, 325622, 331056, 342760, 346368, 346560, 348480, 349448, 355224, 357192, 357390, 367840, 373920, 377036, 381216, 385605, 393129, 396880, 401280, 411312, 413820, 415872, 432960, 436810, 441408, 444030, 446490, 448704, 462080, 464640, 471295, 472320, 473632, 476256, 476520, 481536, 488433, 498560, 508288, 514140, 519552, 519840, 524172, 532836, 548416, 551760, 560880, 565554, 571824, 577280, 588544, 592040, 595320, 598272, 601920, 616968, 635008, 635360, 649440, 651244, 655215, 662112, 666045, 685520, 693120, 696960, 698896, 710448, 714384, 714780, 735680, 747840, 754072, 762432, 771210, 786258, 793760, 802560, 814055, 822624, 827640, 831744, 848331, 865920, 873620, 882816, 888060, 892980, 897408, 942590, 947264, 952512, 953040, 976866, 997120, 1016576, 1028280, 1039104, 1039680, 1048344, 1065672, 1096832, 1103520, 1121760, 1131108, 1143648, 1184080, 1190640, 1203840, 1233936, 1270016, 1270720, 1298880, 1302488, 1310430, 1324224, 1332090, 1371040, 1386240, 1393920, 1397792, 1413885, 1420896, 1428768, 1429560, 1465299, 1471360, 1495680, 1508144, 1524864, 1542420, 1572516, 1587520, 1628110, 1645248, 1655280, 1696662, 1731840, 1747240, 1765632, 1776120, 1785960, 1790921, 1794816, 1885180, 1894528, 1905024, 1906080, 1953732, 1965645, 2056560, 2079360, 2096688, 2131344, 2193664, 2207040, 2243520, 2262216, 2287296, 2368160, 2381280, 2407680, 2442165, 2467872, 2541440, 2597760, 2604976, 2620860, 2648448, 2664180, 2742080, 2795584, 2827770, 2841792, 2857536, 2859120, 2930598, 2942720, 2991360, 3016288, 3049728, 3084840, 3145032, 3175040, 3256220, 3290496, 3310560, 3393324, 3494480, 3552240, 3571920, 3581842, 3770360, 3789056, 3810048, 3812160, 3907464, 3931290, 4113120, 4158720, 4193376, 4241655, 4262688, 4414080, 4487040, 4524432, 4574592, 4736320, 4762560, 4884330, 4935744, 5082880, 5195520, 5209952, 5241720, 5296896, 5328360, 5372763, 5484160, 5591168, 5655540, 5683584, 5715072, 5718240, 5861196, 6032576, 6169680, 6290064, 6350080, 6512440, 6580992, 6621120, 6786648, 6988960, 7104480, 7143840, 7163684, 7326495, 7540720, 7624320, 7814928, 7862580, 8226240, 8386752, 8483310, 8525376, 8828160, 8954605, 8974080, 9048864, 9149184, 9472640, 9525120, 9768660, 9871488, 10419904, 10483440, 10656720, 10745526, 10968320, 11182336, 11311080, 11367168, 11430144, 11436480, 11722392, 12065152, 12339360, 12580128, 13024880, 13242240, 13573296, 13977920, 14208960, 14287680, 14327368, 14652990, 15081440, 15248640, 15629856, 15725160, 16118289, 16452480, 16773504, 16966620, 17050752, 17909210, 18097728, 18945280, 19050240, 19537320, 19742976, 20839808, 20966880, 21313440, 21491052, 22622160, 22872960, 23444784, 24130304, 24678720, 25160256, 26049760, 26484480, 26863815, 27146592, 27955840, 28417920, 28575360, 28654736, 29305980, 30162880, 31259712, 31450320, 32236578, 32904960, 33547008, 33933240, 34101504, 35818420, 36195456, 39074640, 41679616, 41933760, 42626880, 42982104, 45244320, 45745920, 46889568, 49357440, 50320512, 52099520, 53727630, 54293184, 55911680, 56835840, 57150720, 57309472, 58611960, 60325760, 62519424, 62900640, 64473156, 67866480, 71636840, 72390912, 78149280, 80591445, 83867520, 85253760, 85964208, 90488640, 93779136, 98714880, 100641024, 104199040, 107455260, 108586368, 114618944, 117223920, 120651520, 125038848, 125801280, 128946312, 135732960, 143273680, 156298560, 161182890, 167735040, 170507520, 171928416, 180977280, 187558272, 208398080, 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約数ペア:

[(1, 20631409920), (2, 10315704960), (3, 6877136640), (4, 5157852480), (5, 4126281984), (6, 3438568320), (8, 2578926240), (9, 2292378880), (10, 2063140992), (11, 1875582720), (12, 1719284160), (15, 1375427328), (16, 1289463120), (18, 1146189440), (19, 1085863680), (20, 1031570496), (22, 937791360), (24, 859642080), (30, 687713664), (32, 644731560), (33, 625194240), (36, 573094720), (38, 542931840), (40, 515785248), (41, 503205120), (44, 468895680), (45, 458475776), (48, 429821040), (55, 375116544), (57, 361954560), (60, 343856832), (64, 322365780), (66, 312597120), (72, 286547360), (76, 271465920), (80, 257892624), (82, 251602560), (88, 234447840), (90, 229237888), (95, 217172736), (96, 214910520), (99, 208398080), (110, 187558272), (114, 180977280), (120, 171928416), (121, 170507520), (123, 167735040), (128, 161182890), (132, 156298560), (144, 143273680), (152, 135732960), (160, 128946312), (164, 125801280), (165, 125038848), (171, 120651520), (176, 117223920), (180, 114618944), (190, 108586368), (192, 107455260), (198, 104199040), (205, 100641024), (209, 98714880), (220, 93779136), (228, 90488640), (240, 85964208), (242, 85253760), (246, 83867520), (256, 80591445), (264, 78149280), (285, 72390912), (288, 71636840), (304, 67866480), (320, 64473156), (328, 62900640), (330, 62519424), (342, 60325760), (352, 58611960), (360, 57309472), (361, 57150720), (363, 56835840), (369, 55911680), (380, 54293184), (384, 53727630), (396, 52099520), (410, 50320512), (418, 49357440), (440, 46889568), (451, 45745920), (456, 45244320), (480, 42982104), (484, 42626880), (492, 41933760), (495, 41679616), (528, 39074640), (570, 36195456), (576, 35818420), (605, 34101504), (608, 33933240), (615, 33547008), (627, 32904960), (640, 32236578), (656, 31450320), (660, 31259712), (684, 30162880), (704, 29305980), (720, 28654736), (722, 28575360), (726, 28417920), (738, 27955840), (760, 27146592), (768, 26863815), (779, 26484480), (792, 26049760), (820, 25160256), (836, 24678720), (855, 24130304), (880, 23444784), (902, 22872960), (912, 22622160), (960, 21491052), (968, 21313440), (984, 20966880), (990, 20839808), (1045, 19742976), (1056, 19537320), (1083, 19050240), (1089, 18945280), (1140, 18097728), (1152, 17909210), (1210, 17050752), (1216, 16966620), (1230, 16773504), (1254, 16452480), (1280, 16118289), (1312, 15725160), (1320, 15629856), (1353, 15248640), (1368, 15081440), (1408, 14652990), (1440, 14327368), (1444, 14287680), (1452, 14208960), (1476, 13977920), (1520, 13573296), (1558, 13242240), (1584, 13024880), (1640, 12580128), (1672, 12339360), (1710, 12065152), (1760, 11722392), (1804, 11436480), (1805, 11430144), (1815, 11367168), (1824, 11311080), (1845, 11182336), (1881, 10968320), (1920, 10745526), (1936, 10656720), (1968, 10483440), (1980, 10419904), (2090, 9871488), (2112, 9768660), (2166, 9525120), (2178, 9472640), (2255, 9149184), (2280, 9048864), (2299, 8974080), (2304, 8954605), (2337, 8828160), (2420, 8525376), (2432, 8483310), (2460, 8386752), (2508, 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(6498, 3175040), (6560, 3145032), (6688, 3084840), (6765, 3049728), (6840, 3016288), (6897, 2991360), (7011, 2942720), (7040, 2930598), (7216, 2859120), (7220, 2857536), (7260, 2841792), (7296, 2827770), (7380, 2795584), (7524, 2742080), (7744, 2664180), (7790, 2648448), (7872, 2620860), (7920, 2604976), (7942, 2597760), (8118, 2541440), (8360, 2467872), (8448, 2442165), (8569, 2407680), (8664, 2381280), (8712, 2368160), (9020, 2287296), (9120, 2262216), (9196, 2243520), (9348, 2207040), (9405, 2193664), (9680, 2131344), (9840, 2096688), (9922, 2079360), (10032, 2056560), (10496, 1965645), (10560, 1953732), (10824, 1906080), (10830, 1905024), (10890, 1894528), (10944, 1885180), (11495, 1794816), (11520, 1790921), (11552, 1785960), (11616, 1776120), (11685, 1765632), (11808, 1747240), (11913, 1731840), (12160, 1696662), (12464, 1655280), (12540, 1645248), (12672, 1628110), (12996, 1587520), (13120, 1572516), (13376, 1542420), (13530, 1524864), (13680, 1508144), (13794, 1495680), (14022, 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714780), (28880, 714384), (29040, 710448), (29520, 698896), (29602, 696960), (29766, 693120), (30096, 685520), (30976, 666045), (31160, 662112), (31488, 655215), (31680, 651244), (31768, 649440), (32472, 635360), (32490, 635008), (33440, 616968), (34276, 601920), (34485, 598272), (34656, 595320), (34848, 592040), (35055, 588544), (35739, 577280), (36080, 571824), (36480, 565554), (36784, 560880), (37392, 551760), (37620, 548416), (38720, 532836), (39360, 524172), (39688, 519840), (39710, 519552), (40128, 514140), (40590, 508288), (41382, 498560), (42240, 488433), (42845, 481536), (43296, 476520), (43320, 476256), (43560, 473632), (43681, 472320), (43776, 471295), (44403, 464640), (44649, 462080), (45980, 448704), (46208, 446490), (46464, 444030), (46740, 441408), (47232, 436810), (47652, 432960), (49610, 415872), (49856, 413820), (50160, 411312), (51414, 401280), (51984, 396880), (52480, 393129), (53504, 385605), (54120, 381216), (54720, 377036), (55176, 373920), (56088, 367840), (57728, 357390), (57760, 357192), (58080, 355224), (59040, 349448), (59204, 348480), (59532, 346560), (59565, 346368), (60192, 342760), (62320, 331056), (63360, 325622), (63536, 324720), (64944, 317680), (64980, 317504), (66880, 308484), (68552, 300960), (68970, 299136), (69312, 297660), (69696, 296020), (70110, 294272), (71478, 288640), (72160, 285912), (72960, 282777), (73568, 280440), (74005, 278784), (74415, 277248), (74784, 275880), (75240, 274208), (77121, 267520), (77440, 266418), (78720, 262086), (79376, 259920), (79420, 259776), (80256, 257070), (81180, 254144), (82764, 249280), (85690, 240768), (86592, 238260), (86640, 238128), (87120, 236816), (87362, 236160), (88806, 232320), (89298, 231040), (91960, 224352), (92416, 223245), (92928, 222015), (93480, 220704), (94259, 218880), (94464, 218405), (95304, 216480), (99220, 207936), (99712, 206910), (100320, 205656), (102828, 200640), (103455, 199424), (103968, 198440), (108240, 190608), (109440, 188518), (110352, 186960), (112176, 183920), (115456, 178695), (115520, 178596), (116160, 177612), (118080, 174724), (118408, 174240), (119064, 173280), (119130, 173184), (120384, 171380), (124640, 165528), (126720, 162811), (127072, 162360), (128535, 160512), (129888, 158840), (129960, 158752), (131043, 157440), (133209, 154880), (133760, 154242), (137104, 150480), (137940, 149568), (138624, 148830), (139392, 148010), (140220, 147136), (142956, 144320)]