20512781520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 960

約数和(自身を含む): 86634455040

約数和(自身を除く): 66121673520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 47, 48, 55, 56, 57, 60, 66, 70, 76, 77, 80, 84, 88, 94, 95, 105, 110, 112, 113, 114, 120, 121, 132, 133, 140, 141, 152, 154, 165, 168, 176, 188, 190, 209, 210, 220, 226, 228, 231, 235, 240, 242, 264, 266, 280, 282, 285, 304, 308, 329, 330, 336, 339, 363, 376, 380, 385, 399, 418, 420, 440, 452, 456, 462, 470, 484, 517, 528, 532, 560, 564, 565, 570, 605, 616, 627, 658, 660, 665, 678, 705, 726, 752, 760, 770, 791, 798, 836, 840, 847, 880, 893, 904, 912, 924, 940, 968, 987, 1034, 1045, 1064, 1128, 1130, 1140, 1155, 1210, 1232, 1243, 1254, 1316, 1320, 1330, 1356, 1410, 1452, 1463, 1520, 1540, 1551, 1582, 1596, 1645, 1672, 1680, 1694, 1695, 1786, 1808, 1815, 1848, 1880, 1936, 1974, 1995, 2068, 2090, 2128, 2147, 2256, 2260, 2280, 2299, 2310, 2373, 2420, 2486, 2508, 2541, 2585, 2632, 2640, 2660, 2679, 2712, 2820, 2904, 2926, 3080, 3102, 3135, 3164, 3192, 3290, 3344, 3388, 3390, 3572, 3619, 3630, 3696, 3729, 3760, 3948, 3955, 3990, 4136, 4180, 4235, 4294, 4389, 4465, 4520, 4560, 4598, 4620, 4746, 4840, 4935, 4972, 5016, 5082, 5170, 5264, 5311, 5320, 5358, 5424, 5640, 5687, 5808, 5852, 6160, 6204, 6215, 6251, 6270, 6328, 6384, 6441, 6580, 6776, 6780, 6897, 7144, 7238, 7260, 7315, 7458, 7755, 7896, 7910, 7980, 8272, 8360, 8470, 8588, 8701, 8778, 8930, 9040, 9196, 9240, 9492, 9680, 9823, 9870, 9944, 10032, 10164, 10340, 10622, 10640, 10716, 10735, 10857, 11280, 11374, 11495, 11704, 11865, 12408, 12430, 12502, 12540, 12656, 12705, 12882, 13160, 13395, 13552, 13560, 13673, 13794, 14288, 14476, 14520, 14630, 14916, 15029, 15510, 15792, 15820, 15933, 15960, 16093, 16720, 16940, 17061, 17176, 17402, 17556, 17860, 18095, 18392, 18480, 18645, 18753, 18984, 19646, 19740, 19888, 20328, 20680, 21244, 21432, 21470, 21714, 21945, 22748, 22990, 23408, 23617, 23730, 24816, 24860, 25004, 25080, 25410, 25764, 26103, 26320, 26555, 26790, 27120, 27346, 27588, 28435, 28952, 29040, 29260, 29469, 29832, 30058, 31020, 31255, 31640, 31866, 31920, 32186, 32205, 33880, 34122, 34352, 34485, 34804, 35112, 35720, 36190, 36784, 37177, 37290, 37506, 37968, 39292, 39480, 39809, 40656, 41019, 41360, 42488, 42864, 42940, 43428, 43505, 43890, 45087, 45496, 45980, 47234, 47460, 48279, 49115, 49720, 50008, 50160, 50820, 51528, 52206, 53110, 53580, 54285, 54692, 55176, 56870, 57904, 58421, 58520, 58938, 59664, 60116, 62040, 62510, 63280, 63732, 64372, 64410, 67760, 68244, 68365, 68761, 68970, 69608, 70224, 70851, 71440, 72380, 74354, 74580, 75012, 75145, 78584, 78960, 79618, 79665, 80465, 82038, 84976, 85305, 85880, 86856, 87010, 87780, 90174, 90992, 91960, 93765, 94468, 94920, 95711, 96558, 98230, 99440, 100016, 100909, 101640, 103056, 104412, 106220, 107160, 108053, 108570, 109384, 110352, 111531, 113740, 116842, 117040, 117876, 118085, 119427, 120232, 124080, 125020, 127464, 128744, 128820, 130515, 136488, 136730, 137522, 137940, 139216, 141702, 144760, 147345, 148708, 149160, 150024, 150290, 157168, 159236, 159330, 160930, 164076, 165319, 170610, 171760, 173712, 174020, 175263, 175560, 180348, 183920, 185885, 187530, 188936, 189840, 191422, 193116, 196460, 199045, 201818, 203280, 205095, 206283, 208824, 212440, 214320, 216106, 217140, 218768, 223062, 225435, 227480, 233684, 235752, 236170, 238854, 240464, 241395, 250040, 254928, 257488, 257640, 259787, 261030, 272976, 273460, 275044, 275880, 283404, 287133, 289520, 292105, 294690, 297416, 298320, 300048, 300580, 302727, 318472, 318660, 321860, 324159, 328152, 330638, 341220, 343805, 348040, 350526, 351120, 354255, 360696, 371770, 375060, 377872, 382844, 386232, 392920, 398090, 403636, 408947, 410190, 412566, 417648, 424880, 432212, 434280, 446124, 450870, 454960, 467368, 471504, 472340, 477708, 478555, 482790, 495957, 500080, 504545, 515280, 519574, 522060, 540265, 546920, 550088, 551760, 557655, 566808, 574266, 584210, 589380, 594832, 597135, 601160, 605454, 636944, 637320, 642631, 643720, 648318, 656304, 661276, 682440, 687610, 696080, 701052, 706363, 708510, 721392, 743540, 750120, 756371, 765688, 772464, 779361, 785840, 796180, 807272, 817894, 820380, 825132, 826595, 864424, 868560, 876315, 892248, 901740, 934736, 944680, 955416, 957110, 965580, 991914, 1009090, 1031415, 1039148, 1044120, 1080530, 1093840, 1100176, 1109999, 1115310, 1133616, 1148532, 1168420, 1178760, 1194270, 1202320, 1210908, 1226841, 1274640, 1285262, 1287440, 1296636, 1298935, 1322552, 1364880, 1375220, 1402104, 1412726, 1417020, 1435665, 1487080, 1500240, 1512742, 1513635, 1531376, 1558722, 1592360, 1614544, 1620795, 1635788, 1640760, 1650264, 1653190, 1728848, 1752630, 1784496, 1803480, 1818509, 1889360, 1910832, 1914220, 1927893, 1931160, 1983828, 2018180, 2044735, 2062830, 2078296, 2088240, 2119089, 2161060, 2219998, 2230620, 2269113, 2297064, 2336840, 2357520, 2388540, 2421816, 2453682, 2479785, 2570524, 2593272, 2597870, 2645104, 2750440, 2804208, 2825452, 2834040, 2871330, 2974160, 3025484, 3027270, 3117444, 3184720, 3213155, 3241590, 3271576, 3281520, 3300528, 3306380, 3329997, 3505260, 3531815, 3606960, 3637018, 3781855, 3828440, 3855786, 3862320, 3896805, 3967656, 4036360, 4089470, 4125660, 4156592, 4238178, 4322120, 4439996, 4461240, 4498417, 4538226, 4594128, 4673680, 4777080, 4843632, 4907364, 4959570, 5141048, 5186544, 5195740, 5455527, 5500880, 5549995, 5650904, 5668080, 5742660, 6050968, 6054540, 6134205, 6234888, 6426310, 6483180, 6543152, 6612760, 6659994, 7010520, 7063630, 7274036, 7563710, 7656880, 7711572, 7769993, 7793610, 7935312, 8072720, 8178940, 8251320, 8476356, 8644240, 8879992, 8922480, 8996834, 9076452, 9092545, 9554160, 9639465, 9814728, 9919140, 10282096, 10391480, 10595445, 10911054, 11099990, 11301808, 11345565, 11485320, 12101936, 12109080, 12209989, 12268410, 12469776, 12852620, 12966360, 13225520, 13319988, 13495251, 14021040, 14127260, 14548072, 15127420, 15423144, 15539986, 15587220, 16357880, 16502640, 16649985, 16952712, 17759984, 17993668, 18152904, 18185090, 19278930, 19629456, 19838280, 20782960, 21190890, 21822108, 22199980, 22492085, 22691130, 22970640, 23309979, 24218160, 24419978, 24536820, 25705240, 25932720, 26639976, 26990502, 27277635, 28254520, 29096144, 30254840, 30846288, 31079972, 31174440, 32715760, 33299970, 33905424, 35987336, 36305808, 36370180, 36629967, 38557860, 38849965, 39676560, 42381780, 43644216, 44399960, 44984170, 45382260, 46619958, 48839956, 49073640, 51410480, 53279952, 53981004, 54555270, 56509040, 60509680, 61049945, 62159944, 62348880, 66599940, 67476255, 71974672, 72740360, 73259934, 77115720, 77699930, 84763560, 85469923, 87288432, 88799920, 89968340, 90764520, 93239916, 97679912, 98147280, 107962008, 109110540, 116549895, 122099890, 124319888, 133199880, 134952510, 145480720, 146519868, 154231440, 155399860, 169527120, 170939846, 179936680, 181529040, 183149835, 186479832, 195359824, 215924016, 218221080, 233099790, 244199780, 256409769, 266399760, 269905020, 293039736, 310799720, 341879692, 359873360, 366299670, 372959664, 427349615, 436442160, 466199580, 488399560, 512819538, 539810040, 586079472, 621599440, 683759384, 732599340, 854699230, 932399160, 976799120, 1025639076, 1079620080, 1282048845, 1367518768, 1465198680, 1709398460, 1864798320, 2051278152, 2564097690, 2930397360, 3418796920, 4102556304, 5128195380, 6837593840, 10256390760, 20512781520]

約数ペア:

[(1, 20512781520), (2, 10256390760), (3, 6837593840), (4, 5128195380), (5, 4102556304), (6, 3418796920), (7, 2930397360), (8, 2564097690), (10, 2051278152), (11, 1864798320), (12, 1709398460), (14, 1465198680), (15, 1367518768), (16, 1282048845), (19, 1079620080), (20, 1025639076), (21, 976799120), (22, 932399160), (24, 854699230), (28, 732599340), (30, 683759384), (33, 621599440), (35, 586079472), (38, 539810040), (40, 512819538), (42, 488399560), (44, 466199580), (47, 436442160), (48, 427349615), (55, 372959664), (56, 366299670), (57, 359873360), (60, 341879692), (66, 310799720), (70, 293039736), (76, 269905020), (77, 266399760), (80, 256409769), (84, 244199780), (88, 233099790), (94, 218221080), (95, 215924016), (105, 195359824), (110, 186479832), (112, 183149835), (113, 181529040), (114, 179936680), (120, 170939846), (121, 169527120), (132, 155399860), (133, 154231440), (140, 146519868), (141, 145480720), (152, 134952510), (154, 133199880), (165, 124319888), (168, 122099890), (176, 116549895), (188, 109110540), (190, 107962008), (209, 98147280), (210, 97679912), (220, 93239916), (226, 90764520), (228, 89968340), (231, 88799920), (235, 87288432), (240, 85469923), (242, 84763560), (264, 77699930), (266, 77115720), (280, 73259934), (282, 72740360), (285, 71974672), (304, 67476255), (308, 66599940), (329, 62348880), (330, 62159944), (336, 61049945), (339, 60509680), (363, 56509040), (376, 54555270), (380, 53981004), (385, 53279952), (399, 51410480), (418, 49073640), (420, 48839956), (440, 46619958), (452, 45382260), (456, 44984170), (462, 44399960), (470, 43644216), (484, 42381780), (517, 39676560), (528, 38849965), (532, 38557860), (560, 36629967), (564, 36370180), (565, 36305808), (570, 35987336), (605, 33905424), (616, 33299970), (627, 32715760), (658, 31174440), (660, 31079972), (665, 30846288), (678, 30254840), (705, 29096144), (726, 28254520), (752, 27277635), (760, 26990502), (770, 26639976), (791, 25932720), (798, 25705240), (836, 24536820), (840, 24419978), (847, 24218160), (880, 23309979), (893, 22970640), (904, 22691130), (912, 22492085), (924, 22199980), (940, 21822108), (968, 21190890), (987, 20782960), (1034, 19838280), (1045, 19629456), (1064, 19278930), (1128, 18185090), (1130, 18152904), (1140, 17993668), (1155, 17759984), (1210, 16952712), (1232, 16649985), (1243, 16502640), (1254, 16357880), (1316, 15587220), (1320, 15539986), (1330, 15423144), (1356, 15127420), (1410, 14548072), (1452, 14127260), (1463, 14021040), (1520, 13495251), (1540, 13319988), (1551, 13225520), (1582, 12966360), (1596, 12852620), (1645, 12469776), (1672, 12268410), (1680, 12209989), (1694, 12109080), (1695, 12101936), (1786, 11485320), (1808, 11345565), (1815, 11301808), (1848, 11099990), (1880, 10911054), (1936, 10595445), (1974, 10391480), (1995, 10282096), (2068, 9919140), (2090, 9814728), (2128, 9639465), (2147, 9554160), (2256, 9092545), (2260, 9076452), (2280, 8996834), (2299, 8922480), (2310, 8879992), (2373, 8644240), (2420, 8476356), (2486, 8251320), (2508, 8178940), (2541, 8072720), (2585, 7935312), (2632, 7793610), (2640, 7769993), (2660, 7711572), (2679, 7656880), (2712, 7563710), (2820, 7274036), (2904, 7063630), (2926, 7010520), (3080, 6659994), (3102, 6612760), (3135, 6543152), (3164, 6483180), (3192, 6426310), (3290, 6234888), (3344, 6134205), (3388, 6054540), (3390, 6050968), (3572, 5742660), (3619, 5668080), (3630, 5650904), (3696, 5549995), (3729, 5500880), (3760, 5455527), (3948, 5195740), (3955, 5186544), (3990, 5141048), (4136, 4959570), (4180, 4907364), (4235, 4843632), (4294, 4777080), (4389, 4673680), (4465, 4594128), (4520, 4538226), (4560, 4498417), (4598, 4461240), (4620, 4439996), (4746, 4322120), (4840, 4238178), (4935, 4156592), (4972, 4125660), (5016, 4089470), (5082, 4036360), (5170, 3967656), (5264, 3896805), (5311, 3862320), (5320, 3855786), (5358, 3828440), (5424, 3781855), (5640, 3637018), (5687, 3606960), (5808, 3531815), (5852, 3505260), (6160, 3329997), (6204, 3306380), (6215, 3300528), (6251, 3281520), (6270, 3271576), (6328, 3241590), (6384, 3213155), (6441, 3184720), (6580, 3117444), (6776, 3027270), (6780, 3025484), (6897, 2974160), (7144, 2871330), (7238, 2834040), (7260, 2825452), (7315, 2804208), (7458, 2750440), (7755, 2645104), (7896, 2597870), (7910, 2593272), (7980, 2570524), (8272, 2479785), (8360, 2453682), (8470, 2421816), (8588, 2388540), (8701, 2357520), (8778, 2336840), (8930, 2297064), (9040, 2269113), (9196, 2230620), (9240, 2219998), (9492, 2161060), (9680, 2119089), (9823, 2088240), (9870, 2078296), (9944, 2062830), (10032, 2044735), (10164, 2018180), (10340, 1983828), (10622, 1931160), (10640, 1927893), (10716, 1914220), (10735, 1910832), (10857, 1889360), (11280, 1818509), (11374, 1803480), (11495, 1784496), (11704, 1752630), (11865, 1728848), (12408, 1653190), (12430, 1650264), (12502, 1640760), (12540, 1635788), (12656, 1620795), (12705, 1614544), (12882, 1592360), (13160, 1558722), (13395, 1531376), (13552, 1513635), (13560, 1512742), (13673, 1500240), (13794, 1487080), (14288, 1435665), (14476, 1417020), (14520, 1412726), (14630, 1402104), (14916, 1375220), (15029, 1364880), (15510, 1322552), (15792, 1298935), (15820, 1296636), (15933, 1287440), (15960, 1285262), (16093, 1274640), (16720, 1226841), (16940, 1210908), (17061, 1202320), (17176, 1194270), (17402, 1178760), (17556, 1168420), (17860, 1148532), (18095, 1133616), (18392, 1115310), (18480, 1109999), (18645, 1100176), (18753, 1093840), (18984, 1080530), (19646, 1044120), (19740, 1039148), (19888, 1031415), (20328, 1009090), (20680, 991914), (21244, 965580), (21432, 957110), (21470, 955416), (21714, 944680), (21945, 934736), (22748, 901740), (22990, 892248), (23408, 876315), (23617, 868560), (23730, 864424), (24816, 826595), (24860, 825132), (25004, 820380), (25080, 817894), (25410, 807272), (25764, 796180), (26103, 785840), (26320, 779361), (26555, 772464), (26790, 765688), (27120, 756371), (27346, 750120), (27588, 743540), (28435, 721392), (28952, 708510), (29040, 706363), (29260, 701052), (29469, 696080), (29832, 687610), (30058, 682440), (31020, 661276), (31255, 656304), (31640, 648318), (31866, 643720), (31920, 642631), (32186, 637320), (32205, 636944), (33880, 605454), (34122, 601160), (34352, 597135), (34485, 594832), (34804, 589380), (35112, 584210), (35720, 574266), (36190, 566808), (36784, 557655), (37177, 551760), (37290, 550088), (37506, 546920), (37968, 540265), (39292, 522060), (39480, 519574), (39809, 515280), (40656, 504545), (41019, 500080), (41360, 495957), (42488, 482790), (42864, 478555), (42940, 477708), (43428, 472340), (43505, 471504), (43890, 467368), (45087, 454960), (45496, 450870), (45980, 446124), (47234, 434280), (47460, 432212), (48279, 424880), (49115, 417648), (49720, 412566), (50008, 410190), (50160, 408947), (50820, 403636), (51528, 398090), (52206, 392920), (53110, 386232), (53580, 382844), (54285, 377872), (54692, 375060), (55176, 371770), (56870, 360696), (57904, 354255), (58421, 351120), (58520, 350526), (58938, 348040), (59664, 343805), (60116, 341220), (62040, 330638), (62510, 328152), (63280, 324159), (63732, 321860), (64372, 318660), (64410, 318472), (67760, 302727), (68244, 300580), (68365, 300048), (68761, 298320), (68970, 297416), (69608, 294690), (70224, 292105), (70851, 289520), (71440, 287133), (72380, 283404), (74354, 275880), (74580, 275044), (75012, 273460), (75145, 272976), (78584, 261030), (78960, 259787), (79618, 257640), (79665, 257488), (80465, 254928), (82038, 250040), (84976, 241395), (85305, 240464), (85880, 238854), (86856, 236170), (87010, 235752), (87780, 233684), (90174, 227480), (90992, 225435), (91960, 223062), (93765, 218768), (94468, 217140), (94920, 216106), (95711, 214320), (96558, 212440), (98230, 208824), (99440, 206283), (100016, 205095), (100909, 203280), (101640, 201818), (103056, 199045), (104412, 196460), (106220, 193116), (107160, 191422), (108053, 189840), (108570, 188936), (109384, 187530), (110352, 185885), (111531, 183920), (113740, 180348), (116842, 175560), (117040, 175263), (117876, 174020), (118085, 173712), (119427, 171760), (120232, 170610), (124080, 165319), (125020, 164076), (127464, 160930), (128744, 159330), (128820, 159236), (130515, 157168), (136488, 150290), (136730, 150024), (137522, 149160), (137940, 148708), (139216, 147345), (141702, 144760)]