20828171520

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 1008

約数和(自身を含む): 86137651152

約数和(自身を除く): 65309479632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 64, 65, 68, 72, 78, 80, 81, 85, 90, 96, 101, 102, 104, 108, 117, 120, 128, 130, 135, 136, 144, 153, 156, 160, 162, 170, 180, 192, 195, 202, 204, 208, 216, 221, 234, 240, 243, 255, 256, 260, 270, 272, 288, 303, 306, 312, 320, 324, 340, 351, 360, 384, 390, 404, 405, 408, 416, 432, 442, 459, 468, 480, 486, 505, 510, 520, 540, 544, 576, 585, 606, 612, 624, 640, 648, 663, 680, 702, 720, 729, 765, 768, 780, 808, 810, 816, 832, 864, 884, 909, 918, 936, 960, 972, 1010, 1020, 1040, 1053, 1080, 1088, 1105, 1152, 1170, 1212, 1215, 1224, 1248, 1280, 1296, 1313, 1326, 1360, 1377, 1404, 1440, 1458, 1515, 1530, 1560, 1616, 1620, 1632, 1664, 1717, 1728, 1755, 1768, 1818, 1836, 1872, 1920, 1944, 1989, 2020, 2040, 2080, 2106, 2160, 2176, 2210, 2295, 2304, 2340, 2424, 2430, 2448, 2496, 2592, 2626, 2652, 2720, 2727, 2754, 2808, 2880, 2916, 3030, 3060, 3120, 3159, 3232, 3240, 3264, 3315, 3328, 3434, 3456, 3510, 3536, 3636, 3645, 3672, 3744, 3840, 3888, 3939, 3978, 4040, 4080, 4131, 4160, 4212, 4320, 4352, 4420, 4545, 4590, 4680, 4848, 4860, 4896, 4992, 5151, 5184, 5252, 5265, 5304, 5440, 5454, 5508, 5616, 5760, 5832, 5967, 6060, 6120, 6240, 6318, 6464, 6480, 6528, 6565, 6630, 6868, 6885, 6912, 7020, 7072, 7272, 7290, 7344, 7488, 7776, 7878, 7956, 8080, 8160, 8181, 8262, 8320, 8424, 8585, 8640, 8840, 9090, 9180, 9360, 9477, 9696, 9720, 9792, 9945, 9984, 10302, 10368, 10504, 10530, 10608, 10880, 10908, 11016, 11232, 11520, 11664, 11817, 11934, 12120, 12240, 12393, 12480, 12636, 12928, 12960, 13056, 13130, 13260, 13635, 13736, 13770, 14040, 14144, 14544, 14580, 14688, 14976, 15453, 15552, 15756, 15795, 15912, 16160, 16320, 16362, 16524, 16640, 16848, 17170, 17280, 17680, 17901, 18180, 18360, 18720, 18954, 19392, 19440, 19584, 19695, 19890, 20604, 20655, 20736, 21008, 21060, 21216, 21760, 21816, 22032, 22321, 22464, 23328, 23634, 23868, 24240, 24480, 24543, 24786, 24960, 25272, 25755, 25856, 25920, 26260, 26520, 27270, 27472, 27540, 28080, 28288, 29088, 29160, 29376, 29835, 29952, 30906, 31104, 31512, 31590, 31824, 32320, 32640, 32724, 33048, 33696, 34340, 34560, 35360, 35451, 35802, 36360, 36720, 37440, 37908, 38784, 38880, 39168, 39390, 39780, 40905, 41208, 41310, 42016, 42120, 42432, 43632, 44064, 44642, 44928, 46359, 46656, 47268, 47385, 47736, 48480, 48960, 49086, 49572, 49920, 50544, 51510, 51840, 52520, 53040, 53703, 54540, 54944, 55080, 56160, 56576, 58176, 58320, 58752, 59085, 59670, 61812, 61965, 62208, 63024, 63180, 63648, 64640, 65280, 65448, 66096, 66963, 67392, 68680, 70720, 70902, 71604, 72720, 73440, 73629, 74880, 75816, 77265, 77568, 77760, 78780, 79560, 81810, 82416, 82620, 84032, 84240, 84864, 87264, 88128, 89284, 89505, 89856, 92718, 93312, 94536, 94770, 95472, 96960, 97920, 98172, 99144, 101088, 103020, 103680, 105040, 106080, 106353, 107406, 109080, 109888, 110160, 111605, 112320, 116352, 116640, 117504, 118170, 119340, 122715, 123624, 123930, 126048, 126360, 127296, 129280, 130896, 132192, 133926, 134784, 137360, 139077, 141440, 141804, 143208, 145440, 146880, 147258, 149760, 151632, 154530, 155520, 157560, 159120, 161109, 163620, 164832, 165240, 168064, 168480, 169728, 174528, 176256, 177255, 178568, 179010, 185436, 186624, 189072, 189540, 190944, 193920, 195840, 196344, 198288, 200889, 202176, 206040, 210080, 212160, 212706, 214812, 218160, 219776, 220320, 223210, 224640, 231795, 232704, 233280, 236340, 238680, 245430, 247248, 247860, 252096, 252720, 254592, 261792, 264384, 267852, 268515, 269568, 274720, 278154, 282880, 283608, 286416, 290880, 293760, 294516, 303264, 309060, 311040, 315120, 318240, 319059, 322218, 327240, 329664, 330480, 334815, 336128, 336960, 349056, 352512, 354510, 357136, 358020, 368145, 370872, 378144, 379080, 381888, 387840, 392688, 396576, 401778, 404352, 412080, 417231, 420160, 424320, 425412, 429624, 436320, 439552, 440640, 446420, 449280, 463590, 466560, 472680, 477360, 490860, 494496, 495720, 504192, 505440, 509184, 523584, 528768, 531765, 535704, 537030, 549440, 556308, 567216, 572832, 581760, 587520, 589032, 602667, 606528, 618120, 630240, 636480, 638118, 644436, 654480, 659328, 660960, 669630, 673920, 695385, 698112, 709020, 714272, 716040, 736290, 741744, 756288, 758160, 763776, 785376, 793152, 803556, 805545, 808704, 824160, 834462, 840320, 848640, 850824, 859248, 872640, 881280, 892840, 927180, 933120, 945360, 954720, 957177, 981720, 988992, 991440, 1004445, 1008384, 1010880, 1047168, 1057536, 1063530, 1071408, 1074060, 1098880, 1112616, 1134432, 1145664, 1163520, 1178064, 1205334, 1213056, 1236240, 1251693, 1260480, 1272960, 1276236, 1288872, 1308960, 1318656, 1321920, 1339260, 1347840, 1390770, 1418040, 1428544, 1432080, 1472580, 1483488, 1512576, 1516320, 1527552, 1570752, 1586304, 1595295, 1607112, 1611090, 1648320, 1668924, 1680640, 1701648, 1718496, 1745280, 1762560, 1785680, 1808001, 1854360, 1890720, 1909440, 1914354, 1963440, 1977984, 1982880, 2008890, 2021760, 2086155, 2094336, 2127060, 2142816, 2148120, 2197760, 2225232, 2268864, 2291328, 2356128, 2410668, 2426112, 2472480, 2503386, 2520960, 2545920, 2552472, 2577744, 2617920, 2643840, 2678520, 2781540, 2836080, 2857088, 2864160, 2945160, 2966976, 3013335, 3025152, 3032640, 3141504, 3172608, 3190590, 3214224, 3222180, 3296640, 3337848, 3403296, 3436992, 3490560, 3571360, 3616002, 3708720, 3781440, 3818880, 3828708, 3926880, 3955968, 3965760, 4017780, 4043520, 4172310, 4254120, 4285632, 4296240, 4450464, 4537728, 4582656, 4712256, 4785885, 4821336, 4944960, 5006772, 5041920, 5104944, 5155488, 5235840, 5287680, 5357040, 5424003, 5563080, 5672160, 5714176, 5728320, 5890320, 5933952, 6026670, 6065280, 6258465, 6283008, 6381180, 6428448, 6444360, 6593280, 6675696, 6806592, 6873984, 7142720, 7232004, 7417440, 7562880, 7637760, 7657416, 7853760, 7931520, 8035560, 8344620, 8508240, 8571264, 8592480, 8900928, 9040005, 9075456, 9424512, 9571770, 9642672, 9889920, 10013544, 10209888, 10310976, 10471680, 10714080, 10848006, 11126160, 11344320, 11456640, 11780640, 11867904, 12053340, 12130560, 12516930, 12762360, 12856896, 12888720, 13351392, 13613184, 13747968, 14285440, 14464008, 14834880, 15125760, 15314832, 15707520, 15863040, 16071120, 16272009, 16689240, 17016480, 17142528, 17184960, 17801856, 18080010, 18849024, 19143540, 19285344, 19779840, 20027088, 20419776, 20621952, 21428160, 21696012, 22252320, 22688640, 22913280, 23561280, 24106680, 25033860, 25524720, 25713792, 25777440, 26702784, 27120015, 27226368, 28570880, 28928016, 29669760, 30629664, 31415040, 32142240, 32544018, 33378480, 34032960, 34369920, 35603712, 36160020, 38287080, 38570688, 40054176, 40839552, 41243904, 42856320, 43392024, 44504640, 45377280, 47122560, 48213360, 50067720, 51049440, 51427584, 51554880, 53405568, 54240030, 57856032, 59339520, 61259328, 64284480, 65088036, 66756960, 68065920, 68739840, 72320040, 76574160, 77141376, 80108352, 81360045, 81679104, 85712640, 86784048, 89009280, 94245120, 96426720, 100135440, 102098880, 103109760, 106811136, 108480060, 115712064, 122518656, 128568960, 130176072, 133513920, 136131840, 144640080, 153148320, 154282752, 160216704, 162720090, 173568096, 178018560, 192853440, 200270880, 204197760, 206219520, 216960120, 231424128, 245037312, 257137920, 260352144, 267027840, 289280160, 306296640, 320433408, 325440180, 347136192, 385706880, 400541760, 408395520, 433920240, 462848256, 520704288, 534055680, 578560320, 612593280, 650880360, 694272384, 771413760, 801083520, 867840480, 1041408576, 1157120640, 1225186560, 1301760720, 1388544768, 1602167040, 1735680960, 2082817152, 2314241280, 2603521440, 3471361920, 4165634304, 5207042880, 6942723840, 10414085760, 20828171520]

約数ペア:

[(1, 20828171520), (2, 10414085760), (3, 6942723840), (4, 5207042880), (5, 4165634304), (6, 3471361920), (8, 2603521440), (9, 2314241280), (10, 2082817152), (12, 1735680960), (13, 1602167040), (15, 1388544768), (16, 1301760720), (17, 1225186560), (18, 1157120640), (20, 1041408576), (24, 867840480), (26, 801083520), (27, 771413760), (30, 694272384), (32, 650880360), (34, 612593280), (36, 578560320), (39, 534055680), (40, 520704288), (45, 462848256), (48, 433920240), (51, 408395520), (52, 400541760), (54, 385706880), (60, 347136192), (64, 325440180), (65, 320433408), (68, 306296640), (72, 289280160), (78, 267027840), (80, 260352144), (81, 257137920), (85, 245037312), (90, 231424128), (96, 216960120), (101, 206219520), (102, 204197760), (104, 200270880), (108, 192853440), (117, 178018560), (120, 173568096), (128, 162720090), (130, 160216704), (135, 154282752), (136, 153148320), (144, 144640080), (153, 136131840), (156, 133513920), (160, 130176072), (162, 128568960), (170, 122518656), (180, 115712064), (192, 108480060), (195, 106811136), (202, 103109760), (204, 102098880), (208, 100135440), (216, 96426720), (221, 94245120), (234, 89009280), (240, 86784048), (243, 85712640), (255, 81679104), (256, 81360045), (260, 80108352), (270, 77141376), (272, 76574160), (288, 72320040), (303, 68739840), (306, 68065920), (312, 66756960), (320, 65088036), (324, 64284480), (340, 61259328), (351, 59339520), (360, 57856032), (384, 54240030), (390, 53405568), (404, 51554880), (405, 51427584), (408, 51049440), (416, 50067720), (432, 48213360), (442, 47122560), (459, 45377280), (468, 44504640), (480, 43392024), (486, 42856320), (505, 41243904), (510, 40839552), (520, 40054176), (540, 38570688), (544, 38287080), (576, 36160020), (585, 35603712), (606, 34369920), (612, 34032960), (624, 33378480), (640, 32544018), (648, 32142240), (663, 31415040), (680, 30629664), (702, 29669760), (720, 28928016), (729, 28570880), (765, 27226368), (768, 27120015), (780, 26702784), (808, 25777440), (810, 25713792), (816, 25524720), (832, 25033860), (864, 24106680), (884, 23561280), (909, 22913280), (918, 22688640), (936, 22252320), (960, 21696012), (972, 21428160), (1010, 20621952), (1020, 20419776), (1040, 20027088), (1053, 19779840), (1080, 19285344), (1088, 19143540), (1105, 18849024), (1152, 18080010), (1170, 17801856), (1212, 17184960), (1215, 17142528), (1224, 17016480), (1248, 16689240), (1280, 16272009), (1296, 16071120), (1313, 15863040), (1326, 15707520), (1360, 15314832), (1377, 15125760), (1404, 14834880), (1440, 14464008), (1458, 14285440), (1515, 13747968), (1530, 13613184), (1560, 13351392), (1616, 12888720), (1620, 12856896), (1632, 12762360), (1664, 12516930), (1717, 12130560), (1728, 12053340), (1755, 11867904), (1768, 11780640), (1818, 11456640), (1836, 11344320), (1872, 11126160), (1920, 10848006), (1944, 10714080), (1989, 10471680), (2020, 10310976), (2040, 10209888), (2080, 10013544), (2106, 9889920), (2160, 9642672), (2176, 9571770), (2210, 9424512), (2295, 9075456), (2304, 9040005), (2340, 8900928), (2424, 8592480), (2430, 8571264), (2448, 8508240), (2496, 8344620), (2592, 8035560), (2626, 7931520), (2652, 7853760), (2720, 7657416), (2727, 7637760), (2754, 7562880), (2808, 7417440), (2880, 7232004), (2916, 7142720), (3030, 6873984), (3060, 6806592), (3120, 6675696), (3159, 6593280), (3232, 6444360), (3240, 6428448), (3264, 6381180), (3315, 6283008), (3328, 6258465), (3434, 6065280), (3456, 6026670), (3510, 5933952), (3536, 5890320), (3636, 5728320), (3645, 5714176), (3672, 5672160), (3744, 5563080), (3840, 5424003), (3888, 5357040), (3939, 5287680), (3978, 5235840), (4040, 5155488), (4080, 5104944), (4131, 5041920), (4160, 5006772), (4212, 4944960), (4320, 4821336), (4352, 4785885), (4420, 4712256), (4545, 4582656), (4590, 4537728), (4680, 4450464), (4848, 4296240), (4860, 4285632), (4896, 4254120), (4992, 4172310), (5151, 4043520), (5184, 4017780), (5252, 3965760), (5265, 3955968), (5304, 3926880), (5440, 3828708), (5454, 3818880), (5508, 3781440), (5616, 3708720), (5760, 3616002), (5832, 3571360), (5967, 3490560), (6060, 3436992), (6120, 3403296), (6240, 3337848), (6318, 3296640), (6464, 3222180), (6480, 3214224), (6528, 3190590), (6565, 3172608), (6630, 3141504), (6868, 3032640), (6885, 3025152), (6912, 3013335), (7020, 2966976), (7072, 2945160), (7272, 2864160), (7290, 2857088), (7344, 2836080), (7488, 2781540), (7776, 2678520), (7878, 2643840), (7956, 2617920), (8080, 2577744), (8160, 2552472), (8181, 2545920), (8262, 2520960), (8320, 2503386), (8424, 2472480), (8585, 2426112), (8640, 2410668), (8840, 2356128), (9090, 2291328), (9180, 2268864), (9360, 2225232), (9477, 2197760), (9696, 2148120), (9720, 2142816), (9792, 2127060), (9945, 2094336), (9984, 2086155), (10302, 2021760), (10368, 2008890), (10504, 1982880), (10530, 1977984), (10608, 1963440), (10880, 1914354), (10908, 1909440), (11016, 1890720), (11232, 1854360), (11520, 1808001), (11664, 1785680), (11817, 1762560), (11934, 1745280), (12120, 1718496), (12240, 1701648), (12393, 1680640), (12480, 1668924), (12636, 1648320), (12928, 1611090), (12960, 1607112), (13056, 1595295), (13130, 1586304), (13260, 1570752), (13635, 1527552), (13736, 1516320), (13770, 1512576), (14040, 1483488), (14144, 1472580), (14544, 1432080), (14580, 1428544), (14688, 1418040), (14976, 1390770), (15453, 1347840), (15552, 1339260), (15756, 1321920), (15795, 1318656), (15912, 1308960), (16160, 1288872), (16320, 1276236), (16362, 1272960), (16524, 1260480), (16640, 1251693), (16848, 1236240), (17170, 1213056), (17280, 1205334), (17680, 1178064), (17901, 1163520), (18180, 1145664), (18360, 1134432), (18720, 1112616), (18954, 1098880), (19392, 1074060), (19440, 1071408), (19584, 1063530), (19695, 1057536), (19890, 1047168), (20604, 1010880), (20655, 1008384), (20736, 1004445), (21008, 991440), (21060, 988992), (21216, 981720), (21760, 957177), (21816, 954720), (22032, 945360), (22321, 933120), (22464, 927180), (23328, 892840), (23634, 881280), (23868, 872640), (24240, 859248), (24480, 850824), (24543, 848640), (24786, 840320), (24960, 834462), (25272, 824160), (25755, 808704), (25856, 805545), (25920, 803556), (26260, 793152), (26520, 785376), (27270, 763776), (27472, 758160), (27540, 756288), (28080, 741744), (28288, 736290), (29088, 716040), (29160, 714272), (29376, 709020), (29835, 698112), (29952, 695385), (30906, 673920), (31104, 669630), (31512, 660960), (31590, 659328), (31824, 654480), (32320, 644436), (32640, 638118), (32724, 636480), (33048, 630240), (33696, 618120), (34340, 606528), (34560, 602667), (35360, 589032), (35451, 587520), (35802, 581760), (36360, 572832), (36720, 567216), (37440, 556308), (37908, 549440), (38784, 537030), (38880, 535704), (39168, 531765), (39390, 528768), (39780, 523584), (40905, 509184), (41208, 505440), (41310, 504192), (42016, 495720), (42120, 494496), (42432, 490860), (43632, 477360), (44064, 472680), (44642, 466560), (44928, 463590), (46359, 449280), (46656, 446420), (47268, 440640), (47385, 439552), (47736, 436320), (48480, 429624), (48960, 425412), (49086, 424320), (49572, 420160), (49920, 417231), (50544, 412080), (51510, 404352), (51840, 401778), (52520, 396576), (53040, 392688), (53703, 387840), (54540, 381888), (54944, 379080), (55080, 378144), (56160, 370872), (56576, 368145), (58176, 358020), (58320, 357136), (58752, 354510), (59085, 352512), (59670, 349056), (61812, 336960), (61965, 336128), (62208, 334815), (63024, 330480), (63180, 329664), (63648, 327240), (64640, 322218), (65280, 319059), (65448, 318240), (66096, 315120), (66963, 311040), (67392, 309060), (68680, 303264), (70720, 294516), (70902, 293760), (71604, 290880), (72720, 286416), (73440, 283608), (73629, 282880), (74880, 278154), (75816, 274720), (77265, 269568), (77568, 268515), (77760, 267852), (78780, 264384), (79560, 261792), (81810, 254592), (82416, 252720), (82620, 252096), (84032, 247860), (84240, 247248), (84864, 245430), (87264, 238680), (88128, 236340), (89284, 233280), (89505, 232704), (89856, 231795), (92718, 224640), (93312, 223210), (94536, 220320), (94770, 219776), (95472, 218160), (96960, 214812), (97920, 212706), (98172, 212160), (99144, 210080), (101088, 206040), (103020, 202176), (103680, 200889), (105040, 198288), (106080, 196344), (106353, 195840), (107406, 193920), (109080, 190944), (109888, 189540), (110160, 189072), (111605, 186624), (112320, 185436), (116352, 179010), (116640, 178568), (117504, 177255), (118170, 176256), (119340, 174528), (122715, 169728), (123624, 168480), (123930, 168064), (126048, 165240), (126360, 164832), (127296, 163620), (129280, 161109), (130896, 159120), (132192, 157560), (133926, 155520), (134784, 154530), (137360, 151632), (139077, 149760), (141440, 147258), (141804, 146880), (143208, 145440)]