20921256720

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2149

約数の個数: 800

約数和(自身を含む): 94736936448

約数和(自身を除く): 73815679728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 24, 26, 27, 28, 30, 34, 35, 36, 39, 40, 42, 45, 48, 51, 52, 54, 56, 60, 63, 65, 68, 70, 72, 78, 80, 81, 84, 85, 90, 91, 102, 104, 105, 108, 112, 117, 119, 120, 126, 130, 135, 136, 140, 144, 153, 156, 162, 168, 170, 180, 182, 189, 195, 204, 208, 210, 216, 221, 234, 238, 240, 252, 255, 260, 270, 272, 273, 280, 306, 312, 315, 324, 336, 340, 351, 357, 360, 364, 378, 390, 405, 408, 420, 432, 442, 455, 459, 468, 476, 504, 510, 520, 540, 546, 560, 567, 585, 595, 612, 624, 630, 648, 663, 680, 702, 714, 720, 728, 756, 765, 780, 810, 816, 819, 840, 884, 910, 918, 936, 945, 952, 1008, 1020, 1040, 1053, 1071, 1080, 1092, 1105, 1134, 1170, 1190, 1224, 1260, 1296, 1326, 1360, 1365, 1377, 1404, 1428, 1456, 1512, 1530, 1547, 1560, 1620, 1638, 1680, 1755, 1768, 1785, 1820, 1836, 1872, 1890, 1904, 1989, 2040, 2087, 2106, 2142, 2160, 2184, 2210, 2268, 2295, 2340, 2380, 2448, 2457, 2520, 2652, 2730, 2754, 2808, 2835, 2856, 3024, 3060, 3094, 3120, 3213, 3240, 3276, 3315, 3510, 3536, 3570, 3640, 3672, 3780, 3978, 4080, 4095, 4174, 4212, 4284, 4368, 4420, 4536, 4590, 4641, 4680, 4760, 4914, 5040, 5265, 5304, 5355, 5460, 5508, 5616, 5670, 5712, 5967, 6120, 6188, 6261, 6426, 6480, 6552, 6630, 6885, 7020, 7140, 7280, 7344, 7371, 7560, 7735, 7956, 8190, 8348, 8424, 8568, 8840, 9072, 9180, 9282, 9360, 9520, 9639, 9828, 9945, 10435, 10530, 10608, 10710, 10920, 11016, 11340, 11934, 12240, 12285, 12376, 12522, 12852, 13104, 13260, 13770, 13923, 14040, 14280, 14609, 14742, 15120, 15470, 15912, 16065, 16380, 16696, 16848, 17136, 17680, 17901, 18360, 18564, 18783, 19278, 19656, 19890, 20870, 21060, 21420, 21840, 22032, 22680, 23205, 23868, 24570, 24752, 25044, 25704, 26520, 27131, 27540, 27846, 28080, 28560, 29218, 29484, 29835, 30940, 31305, 31824, 32130, 32760, 33392, 35479, 35802, 36720, 36855, 37128, 37566, 38556, 39312, 39780, 41740, 41769, 42120, 42840, 43827, 45360, 46410, 47736, 48195, 49140, 50088, 51408, 53040, 54262, 55080, 55692, 56349, 58436, 58968, 59670, 61880, 62610, 64260, 65520, 69615, 70958, 71604, 73045, 73710, 74256, 75132, 77112, 79560, 81393, 83480, 83538, 84240, 85680, 87654, 89505, 92820, 93915, 95472, 96390, 98280, 100176, 106437, 108524, 110160, 111384, 112698, 116872, 117936, 119340, 123760, 125220, 125307, 128520, 131481, 135655, 139230, 141916, 143208, 146090, 147420, 150264, 154224, 159120, 162786, 166960, 167076, 169047, 175308, 177395, 179010, 185640, 187830, 189917, 192780, 196560, 208845, 212874, 217048, 219135, 222768, 225396, 233744, 238680, 244179, 248353, 250440, 250614, 257040, 262962, 271310, 278460, 281745, 283832, 286416, 292180, 294840, 300528, 319311, 325572, 334152, 338094, 350616, 354790, 358020, 371280, 375660, 379834, 385560, 394443, 406965, 417690, 425748, 434096, 438270, 450792, 461227, 477360, 488358, 496706, 500880, 501228, 525924, 532185, 542620, 556920, 563490, 567664, 569751, 584360, 589680, 626535, 638622, 651144, 657405, 668304, 676188, 701232, 709580, 716040, 732537, 745059, 751320, 759668, 771120, 788886, 813930, 835380, 845235, 851496, 876540, 901584, 922454, 949585, 957933, 976716, 993412, 1002456, 1051848, 1064370, 1085240, 1113840, 1126980, 1139502, 1168720, 1183329, 1220895, 1241765, 1253070, 1277244, 1302288, 1314810, 1352376, 1383681, 1419160, 1432080, 1465074, 1490118, 1502640, 1519336, 1577772, 1596555, 1627860, 1670760, 1690470, 1702992, 1709253, 1753080, 1844908, 1899170, 1915866, 1953432, 1972215, 1986824, 2004912, 2103696, 2128740, 2170480, 2197611, 2235177, 2253960, 2279004, 2306135, 2366658, 2441790, 2483530, 2506140, 2554488, 2629620, 2704752, 2767362, 2838320, 2848755, 2873799, 2930148, 2980236, 3038672, 3155544, 3193110, 3228589, 3255720, 3341520, 3380940, 3418506, 3506160, 3662685, 3689816, 3725295, 3798340, 3831732, 3906864, 3944430, 3973648, 4151043, 4257480, 4395222, 4470354, 4507920, 4558008, 4612270, 4733316, 4789665, 4883580, 4967060, 5012280, 5108976, 5127759, 5259240, 5534724, 5697510, 5747598, 5860296, 5916645, 5960472, 6311088, 6386220, 6457178, 6511440, 6705531, 6761880, 6837012, 6918405, 7325370, 7379632, 7450590, 7596680, 7663464, 7888860, 8302086, 8514960, 8546265, 8790444, 8940708, 9116016, 9224540, 9466632, 9579330, 9685767, 9767160, 9934120, 10024560, 10255518, 10518480, 10988055, 11069448, 11175885, 11395020, 11495196, 11720592, 11833290, 11920944, 12453129, 12772440, 12914356, 13411062, 13523760, 13674024, 13836810, 14368995, 14650740, 14901180, 15193360, 15326928, 15383277, 15777720, 16142945, 16604172, 17092530, 17580888, 17881416, 18449080, 18933264, 19158660, 19371534, 19534320, 19868240, 20116593, 20511036, 20755215, 21976110, 22138896, 22351770, 22790040, 22990392, 23666580, 24906258, 25544880, 25638795, 25828712, 26822124, 27348048, 27673620, 28737990, 29057301, 29301480, 29802360, 30766554, 31555440, 32285890, 33208344, 33527655, 34185060, 35161776, 35762832, 36898160, 37359387, 38317320, 38743068, 40233186, 41022072, 41510430, 43952220, 44703540, 45580080, 45980784, 47333160, 48428835, 49812516, 51277590, 51657424, 53644248, 55347240, 57475980, 58114602, 58602960, 59604720, 61533108, 62265645, 64571780, 66416688, 67055310, 68370120, 74718774, 76634640, 76916385, 77486136, 80466372, 82044144, 83020860, 87171903, 87904440, 89407080, 94666320, 96857670, 99625032, 100582965, 102555180, 107288496, 110694480, 114951960, 116229204, 123066216, 124531290, 129143560, 134110620, 136740240, 145286505, 149437548, 153832770, 154972272, 160932744, 166041720, 174343806, 175808880, 178814160, 186796935, 193715340, 199250064, 201165930, 205110360, 229903920, 232458408, 246132432, 249062580, 258287120, 261515709, 268221240, 290573010, 298875096, 307665540, 321865488, 332083440, 348687612, 373593870, 387430680, 402331860, 410220720, 435859515, 464916816, 498125160, 523031418, 536442480, 581146020, 597750192, 615331080, 697375224, 747187740, 774861360, 804663720, 871719030, 996250320, 1046062836, 1162292040, 1230662160, 1307578545, 1394750448, 1494375480, 1609327440, 1743438060, 2092125672, 2324584080, 2615157090, 2988750960, 3486876120, 4184251344, 5230314180, 6973752240, 10460628360, 20921256720]

約数ペア:

[(1, 20921256720), (2, 10460628360), (3, 6973752240), (4, 5230314180), (5, 4184251344), (6, 3486876120), (7, 2988750960), (8, 2615157090), (9, 2324584080), (10, 2092125672), (12, 1743438060), (13, 1609327440), (14, 1494375480), (15, 1394750448), (16, 1307578545), (17, 1230662160), (18, 1162292040), (20, 1046062836), (21, 996250320), (24, 871719030), (26, 804663720), (27, 774861360), (28, 747187740), (30, 697375224), (34, 615331080), (35, 597750192), (36, 581146020), (39, 536442480), (40, 523031418), (42, 498125160), (45, 464916816), (48, 435859515), (51, 410220720), (52, 402331860), (54, 387430680), (56, 373593870), (60, 348687612), (63, 332083440), (65, 321865488), (68, 307665540), (70, 298875096), (72, 290573010), (78, 268221240), (80, 261515709), (81, 258287120), (84, 249062580), (85, 246132432), (90, 232458408), (91, 229903920), (102, 205110360), (104, 201165930), (105, 199250064), (108, 193715340), (112, 186796935), (117, 178814160), (119, 175808880), (120, 174343806), (126, 166041720), (130, 160932744), (135, 154972272), (136, 153832770), (140, 149437548), (144, 145286505), (153, 136740240), (156, 134110620), (162, 129143560), (168, 124531290), (170, 123066216), (180, 116229204), (182, 114951960), (189, 110694480), (195, 107288496), (204, 102555180), (208, 100582965), (210, 99625032), (216, 96857670), (221, 94666320), (234, 89407080), (238, 87904440), (240, 87171903), (252, 83020860), (255, 82044144), (260, 80466372), (270, 77486136), (272, 76916385), (273, 76634640), (280, 74718774), (306, 68370120), (312, 67055310), (315, 66416688), (324, 64571780), (336, 62265645), (340, 61533108), (351, 59604720), (357, 58602960), (360, 58114602), (364, 57475980), (378, 55347240), (390, 53644248), (405, 51657424), (408, 51277590), (420, 49812516), (432, 48428835), (442, 47333160), (455, 45980784), (459, 45580080), (468, 44703540), (476, 43952220), (504, 41510430), (510, 41022072), (520, 40233186), (540, 38743068), (546, 38317320), (560, 37359387), (567, 36898160), (585, 35762832), (595, 35161776), (612, 34185060), (624, 33527655), (630, 33208344), (648, 32285890), (663, 31555440), (680, 30766554), (702, 29802360), (714, 29301480), (720, 29057301), (728, 28737990), (756, 27673620), (765, 27348048), (780, 26822124), (810, 25828712), (816, 25638795), (819, 25544880), (840, 24906258), (884, 23666580), (910, 22990392), (918, 22790040), (936, 22351770), (945, 22138896), (952, 21976110), (1008, 20755215), (1020, 20511036), (1040, 20116593), (1053, 19868240), (1071, 19534320), (1080, 19371534), (1092, 19158660), (1105, 18933264), (1134, 18449080), (1170, 17881416), (1190, 17580888), (1224, 17092530), (1260, 16604172), (1296, 16142945), (1326, 15777720), (1360, 15383277), (1365, 15326928), (1377, 15193360), (1404, 14901180), (1428, 14650740), (1456, 14368995), (1512, 13836810), (1530, 13674024), (1547, 13523760), (1560, 13411062), (1620, 12914356), (1638, 12772440), (1680, 12453129), (1755, 11920944), (1768, 11833290), (1785, 11720592), (1820, 11495196), (1836, 11395020), (1872, 11175885), (1890, 11069448), (1904, 10988055), (1989, 10518480), (2040, 10255518), (2087, 10024560), (2106, 9934120), (2142, 9767160), (2160, 9685767), (2184, 9579330), (2210, 9466632), (2268, 9224540), (2295, 9116016), (2340, 8940708), (2380, 8790444), (2448, 8546265), (2457, 8514960), (2520, 8302086), (2652, 7888860), (2730, 7663464), (2754, 7596680), (2808, 7450590), (2835, 7379632), (2856, 7325370), (3024, 6918405), (3060, 6837012), (3094, 6761880), (3120, 6705531), (3213, 6511440), (3240, 6457178), (3276, 6386220), (3315, 6311088), (3510, 5960472), (3536, 5916645), (3570, 5860296), (3640, 5747598), (3672, 5697510), (3780, 5534724), (3978, 5259240), (4080, 5127759), (4095, 5108976), (4174, 5012280), (4212, 4967060), (4284, 4883580), (4368, 4789665), (4420, 4733316), (4536, 4612270), (4590, 4558008), (4641, 4507920), (4680, 4470354), (4760, 4395222), (4914, 4257480), (5040, 4151043), (5265, 3973648), (5304, 3944430), (5355, 3906864), (5460, 3831732), (5508, 3798340), (5616, 3725295), (5670, 3689816), (5712, 3662685), (5967, 3506160), (6120, 3418506), (6188, 3380940), (6261, 3341520), (6426, 3255720), (6480, 3228589), (6552, 3193110), (6630, 3155544), (6885, 3038672), (7020, 2980236), (7140, 2930148), (7280, 2873799), (7344, 2848755), (7371, 2838320), (7560, 2767362), (7735, 2704752), (7956, 2629620), (8190, 2554488), (8348, 2506140), (8424, 2483530), (8568, 2441790), (8840, 2366658), (9072, 2306135), (9180, 2279004), (9282, 2253960), (9360, 2235177), (9520, 2197611), (9639, 2170480), (9828, 2128740), (9945, 2103696), (10435, 2004912), (10530, 1986824), (10608, 1972215), (10710, 1953432), (10920, 1915866), (11016, 1899170), (11340, 1844908), (11934, 1753080), (12240, 1709253), (12285, 1702992), (12376, 1690470), (12522, 1670760), (12852, 1627860), (13104, 1596555), (13260, 1577772), (13770, 1519336), (13923, 1502640), (14040, 1490118), (14280, 1465074), (14609, 1432080), (14742, 1419160), (15120, 1383681), (15470, 1352376), (15912, 1314810), (16065, 1302288), (16380, 1277244), (16696, 1253070), (16848, 1241765), (17136, 1220895), (17680, 1183329), (17901, 1168720), (18360, 1139502), (18564, 1126980), (18783, 1113840), (19278, 1085240), (19656, 1064370), (19890, 1051848), (20870, 1002456), (21060, 993412), (21420, 976716), (21840, 957933), (22032, 949585), (22680, 922454), (23205, 901584), (23868, 876540), (24570, 851496), (24752, 845235), (25044, 835380), (25704, 813930), (26520, 788886), (27131, 771120), (27540, 759668), (27846, 751320), (28080, 745059), (28560, 732537), (29218, 716040), (29484, 709580), (29835, 701232), (30940, 676188), (31305, 668304), (31824, 657405), (32130, 651144), (32760, 638622), (33392, 626535), (35479, 589680), (35802, 584360), (36720, 569751), (36855, 567664), (37128, 563490), (37566, 556920), (38556, 542620), (39312, 532185), (39780, 525924), (41740, 501228), (41769, 500880), (42120, 496706), (42840, 488358), (43827, 477360), (45360, 461227), (46410, 450792), (47736, 438270), (48195, 434096), (49140, 425748), (50088, 417690), (51408, 406965), (53040, 394443), (54262, 385560), (55080, 379834), (55692, 375660), (56349, 371280), (58436, 358020), (58968, 354790), (59670, 350616), (61880, 338094), (62610, 334152), (64260, 325572), (65520, 319311), (69615, 300528), (70958, 294840), (71604, 292180), (73045, 286416), (73710, 283832), (74256, 281745), (75132, 278460), (77112, 271310), (79560, 262962), (81393, 257040), (83480, 250614), (83538, 250440), (84240, 248353), (85680, 244179), (87654, 238680), (89505, 233744), (92820, 225396), (93915, 222768), (95472, 219135), (96390, 217048), (98280, 212874), (100176, 208845), (106437, 196560), (108524, 192780), (110160, 189917), (111384, 187830), (112698, 185640), (116872, 179010), (117936, 177395), (119340, 175308), (123760, 169047), (125220, 167076), (125307, 166960), (128520, 162786), (131481, 159120), (135655, 154224), (139230, 150264), (141916, 147420), (143208, 146090)]