20841488640

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 864

約数和(自身を含む): 91190002176

約数和(自身を除く): 70348513536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 23, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 46, 48, 51, 56, 60, 63, 64, 68, 69, 70, 72, 80, 84, 85, 90, 92, 96, 102, 105, 112, 115, 119, 120, 126, 128, 136, 138, 140, 144, 153, 160, 161, 168, 170, 180, 184, 192, 204, 207, 210, 224, 230, 238, 240, 252, 255, 256, 272, 276, 280, 288, 306, 315, 320, 322, 336, 340, 345, 357, 360, 368, 384, 391, 408, 414, 420, 448, 460, 476, 480, 483, 504, 510, 544, 552, 560, 576, 595, 612, 630, 640, 644, 661, 672, 680, 690, 714, 720, 736, 765, 768, 782, 805, 816, 828, 840, 896, 920, 952, 960, 966, 1008, 1020, 1035, 1071, 1088, 1104, 1120, 1152, 1173, 1190, 1224, 1260, 1280, 1288, 1322, 1344, 1360, 1380, 1428, 1440, 1449, 1472, 1530, 1564, 1610, 1632, 1656, 1680, 1785, 1792, 1840, 1904, 1920, 1932, 1955, 1983, 2016, 2040, 2070, 2142, 2176, 2208, 2240, 2304, 2346, 2380, 2415, 2448, 2520, 2576, 2644, 2688, 2720, 2737, 2760, 2856, 2880, 2898, 2944, 3060, 3128, 3220, 3264, 3305, 3312, 3360, 3519, 3570, 3680, 3808, 3840, 3864, 3910, 3966, 4032, 4080, 4140, 4284, 4352, 4416, 4480, 4627, 4692, 4760, 4830, 4896, 5040, 5152, 5288, 5355, 5376, 5440, 5474, 5520, 5712, 5760, 5796, 5865, 5888, 5949, 6120, 6256, 6440, 6528, 6610, 6624, 6720, 7038, 7140, 7245, 7360, 7616, 7728, 7820, 7932, 8064, 8160, 8211, 8280, 8568, 8832, 8960, 9254, 9384, 9520, 9660, 9792, 9915, 10080, 10304, 10576, 10710, 10880, 10948, 11040, 11237, 11424, 11520, 11592, 11730, 11898, 12240, 12512, 12880, 13056, 13220, 13248, 13440, 13685, 13881, 14076, 14280, 14490, 14720, 15203, 15232, 15456, 15640, 15864, 16128, 16320, 16422, 16560, 17136, 17595, 17664, 18508, 18768, 19040, 19320, 19584, 19830, 20160, 20608, 21152, 21420, 21760, 21896, 22080, 22474, 22848, 23135, 23184, 23460, 23796, 24480, 24633, 25024, 25760, 26440, 26496, 26880, 27370, 27762, 28152, 28560, 28980, 29440, 29745, 30406, 30464, 30912, 31280, 31728, 32640, 32844, 33120, 33711, 34272, 35190, 37016, 37536, 38080, 38640, 39168, 39660, 40320, 41055, 41216, 41643, 42304, 42840, 43792, 44160, 44948, 45609, 45696, 46270, 46368, 46920, 47592, 48960, 49266, 50048, 51520, 52880, 52992, 54740, 55524, 56185, 56304, 57120, 57960, 59490, 60812, 61824, 62560, 63456, 65280, 65688, 66240, 67422, 68544, 69405, 70380, 74032, 75072, 76015, 76160, 77280, 78659, 79320, 80640, 82110, 83286, 84608, 85680, 87584, 88320, 89896, 91218, 91392, 92540, 92736, 93840, 95184, 97920, 98532, 100096, 101133, 103040, 105760, 106421, 109480, 111048, 112370, 112608, 114240, 115920, 118980, 121624, 123165, 123648, 125120, 126912, 131376, 132480, 134844, 136827, 137088, 138810, 140760, 148064, 150144, 152030, 152320, 154560, 157318, 158640, 164220, 166572, 168555, 169216, 171360, 175168, 179792, 182436, 185080, 185472, 187680, 190368, 195840, 197064, 202266, 206080, 208215, 211520, 212842, 218960, 222096, 224740, 225216, 228045, 228480, 231840, 235977, 237960, 243248, 246330, 250240, 253824, 258451, 262752, 264960, 269688, 273654, 274176, 277620, 281520, 296128, 300288, 304060, 309120, 314636, 317280, 319263, 328440, 333144, 337110, 342720, 350336, 359584, 364872, 370160, 370944, 375360, 380736, 393295, 394128, 404532, 416430, 423040, 425684, 437920, 444192, 449480, 450432, 456090, 456960, 463680, 471954, 475920, 486496, 492660, 500480, 505665, 507648, 516902, 525504, 532105, 539376, 547308, 555240, 563040, 592256, 608120, 618240, 629272, 634560, 638526, 656880, 666288, 674220, 684135, 685440, 700672, 707931, 719168, 729744, 740320, 750720, 761472, 775353, 786590, 788256, 809064, 832860, 846080, 851368, 875840, 888384, 898960, 900864, 912180, 927360, 943908, 951840, 957789, 972992, 985320, 1011330, 1033804, 1051008, 1064210, 1078752, 1094616, 1110480, 1126080, 1179885, 1184512, 1216240, 1258544, 1269120, 1277052, 1292255, 1313760, 1332576, 1348440, 1368270, 1370880, 1415862, 1438336, 1459488, 1480640, 1501440, 1522944, 1550706, 1573180, 1576512, 1596315, 1618128, 1665720, 1702736, 1751680, 1776768, 1797920, 1809157, 1824360, 1854720, 1887816, 1903680, 1915578, 1945984, 1970640, 2022660, 2067608, 2102016, 2128420, 2157504, 2189232, 2220960, 2252160, 2326059, 2359770, 2432480, 2517088, 2538240, 2554104, 2584510, 2627520, 2665152, 2696880, 2736540, 2831724, 2876672, 2918976, 2961280, 3101412, 3146360, 3153024, 3192630, 3236256, 3331440, 3405472, 3503360, 3539655, 3553536, 3595840, 3618314, 3648720, 3775632, 3807360, 3831156, 3876765, 3891968, 3941280, 4045320, 4135216, 4256840, 4315008, 4378464, 4441920, 4504320, 4652118, 4719540, 4788945, 4864960, 5034176, 5108208, 5169020, 5255040, 5330304, 5393760, 5427471, 5473080, 5663448, 5837952, 5922560, 6202824, 6292720, 6306048, 6385260, 6472512, 6662880, 6810944, 7079310, 7191680, 7236628, 7297440, 7551264, 7614720, 7662312, 7753530, 7882560, 8090640, 8270432, 8513680, 8630016, 8756928, 8883840, 9045785, 9304236, 9439080, 9577890, 9729920, 10068352, 10216416, 10338040, 10510080, 10660608, 10787520, 10854942, 10946160, 11326896, 11630295, 11675904, 12405648, 12585440, 12770520, 12945024, 13325760, 13621888, 14158620, 14383360, 14473256, 14594880, 15102528, 15324624, 15507060, 15765120, 16181280, 16282413, 16540864, 17027360, 17513856, 17767680, 18091570, 18608472, 18878160, 19155780, 19459840, 20136704, 20432832, 20676080, 21575040, 21709884, 21892320, 22653792, 23260590, 24811296, 25170880, 25541040, 25890048, 26651520, 27137355, 27243776, 28317240, 28946512, 29189760, 30205056, 30649248, 31014120, 31530240, 32362560, 32564826, 33081728, 34054720, 35027712, 36183140, 37216944, 37756320, 38311560, 40865664, 41352160, 43150080, 43419768, 43784640, 45307584, 46521180, 49622592, 50341760, 51082080, 53303040, 54274710, 56634480, 57893024, 58379520, 60410112, 61298496, 62028240, 64725120, 65129652, 66163456, 68109440, 72366280, 74433888, 75512640, 76623120, 81412065, 81731328, 82704320, 86839536, 87569280, 90615168, 93042360, 99245184, 100683520, 102164160, 108549420, 113268960, 115786048, 122596992, 124056480, 129450240, 130259304, 136218880, 144732560, 148867776, 151025280, 153246240, 162824130, 165408640, 173679072, 175138560, 181230336, 186084720, 198490368, 204328320, 217098840, 226537920, 231572096, 245193984, 248112960, 260518608, 289465120, 297735552, 302050560, 306492480, 325648260, 330817280, 347358144, 372169440, 408656640, 434197680, 453075840, 463144192, 496225920, 521037216, 578930240, 595471104, 612984960, 651296520, 694716288, 744338880, 868395360, 906151680, 992451840, 1042074432, 1157860480, 1225969920, 1302593040, 1389432576, 1488677760, 1736790720, 2084148864, 2315720960, 2605186080, 2977355520, 3473581440, 4168297728, 5210372160, 6947162880, 10420744320, 20841488640]

約数ペア:

[(1, 20841488640), (2, 10420744320), (3, 6947162880), (4, 5210372160), (5, 4168297728), (6, 3473581440), (7, 2977355520), (8, 2605186080), (9, 2315720960), (10, 2084148864), (12, 1736790720), (14, 1488677760), (15, 1389432576), (16, 1302593040), (17, 1225969920), (18, 1157860480), (20, 1042074432), (21, 992451840), (23, 906151680), (24, 868395360), (28, 744338880), (30, 694716288), (32, 651296520), (34, 612984960), (35, 595471104), (36, 578930240), (40, 521037216), (42, 496225920), (45, 463144192), (46, 453075840), (48, 434197680), (51, 408656640), (56, 372169440), (60, 347358144), (63, 330817280), (64, 325648260), (68, 306492480), (69, 302050560), (70, 297735552), (72, 289465120), (80, 260518608), (84, 248112960), (85, 245193984), (90, 231572096), (92, 226537920), (96, 217098840), (102, 204328320), (105, 198490368), (112, 186084720), (115, 181230336), (119, 175138560), (120, 173679072), (126, 165408640), (128, 162824130), (136, 153246240), (138, 151025280), (140, 148867776), (144, 144732560), (153, 136218880), (160, 130259304), (161, 129450240), (168, 124056480), (170, 122596992), (180, 115786048), (184, 113268960), (192, 108549420), (204, 102164160), (207, 100683520), (210, 99245184), (224, 93042360), (230, 90615168), (238, 87569280), (240, 86839536), (252, 82704320), (255, 81731328), (256, 81412065), (272, 76623120), (276, 75512640), (280, 74433888), (288, 72366280), (306, 68109440), (315, 66163456), (320, 65129652), (322, 64725120), (336, 62028240), (340, 61298496), (345, 60410112), (357, 58379520), (360, 57893024), (368, 56634480), (384, 54274710), (391, 53303040), (408, 51082080), (414, 50341760), (420, 49622592), (448, 46521180), (460, 45307584), (476, 43784640), (480, 43419768), (483, 43150080), (504, 41352160), (510, 40865664), (544, 38311560), (552, 37756320), (560, 37216944), (576, 36183140), (595, 35027712), (612, 34054720), (630, 33081728), (640, 32564826), (644, 32362560), (661, 31530240), (672, 31014120), (680, 30649248), (690, 30205056), (714, 29189760), (720, 28946512), (736, 28317240), (765, 27243776), (768, 27137355), (782, 26651520), (805, 25890048), (816, 25541040), (828, 25170880), (840, 24811296), (896, 23260590), (920, 22653792), (952, 21892320), (960, 21709884), (966, 21575040), (1008, 20676080), (1020, 20432832), (1035, 20136704), (1071, 19459840), (1088, 19155780), (1104, 18878160), (1120, 18608472), (1152, 18091570), (1173, 17767680), (1190, 17513856), (1224, 17027360), (1260, 16540864), (1280, 16282413), (1288, 16181280), (1322, 15765120), (1344, 15507060), (1360, 15324624), (1380, 15102528), (1428, 14594880), (1440, 14473256), (1449, 14383360), (1472, 14158620), (1530, 13621888), (1564, 13325760), (1610, 12945024), (1632, 12770520), (1656, 12585440), (1680, 12405648), (1785, 11675904), (1792, 11630295), (1840, 11326896), (1904, 10946160), (1920, 10854942), (1932, 10787520), (1955, 10660608), (1983, 10510080), (2016, 10338040), (2040, 10216416), (2070, 10068352), (2142, 9729920), (2176, 9577890), (2208, 9439080), (2240, 9304236), (2304, 9045785), (2346, 8883840), (2380, 8756928), (2415, 8630016), (2448, 8513680), (2520, 8270432), (2576, 8090640), (2644, 7882560), (2688, 7753530), (2720, 7662312), (2737, 7614720), (2760, 7551264), (2856, 7297440), (2880, 7236628), (2898, 7191680), (2944, 7079310), (3060, 6810944), (3128, 6662880), (3220, 6472512), (3264, 6385260), (3305, 6306048), (3312, 6292720), (3360, 6202824), (3519, 5922560), (3570, 5837952), (3680, 5663448), (3808, 5473080), (3840, 5427471), (3864, 5393760), (3910, 5330304), (3966, 5255040), (4032, 5169020), (4080, 5108208), (4140, 5034176), (4284, 4864960), (4352, 4788945), (4416, 4719540), (4480, 4652118), (4627, 4504320), (4692, 4441920), (4760, 4378464), (4830, 4315008), (4896, 4256840), (5040, 4135216), (5152, 4045320), (5288, 3941280), (5355, 3891968), (5376, 3876765), (5440, 3831156), (5474, 3807360), (5520, 3775632), (5712, 3648720), (5760, 3618314), (5796, 3595840), (5865, 3553536), (5888, 3539655), (5949, 3503360), (6120, 3405472), (6256, 3331440), (6440, 3236256), (6528, 3192630), (6610, 3153024), (6624, 3146360), (6720, 3101412), (7038, 2961280), (7140, 2918976), (7245, 2876672), (7360, 2831724), (7616, 2736540), (7728, 2696880), (7820, 2665152), (7932, 2627520), (8064, 2584510), (8160, 2554104), (8211, 2538240), (8280, 2517088), (8568, 2432480), (8832, 2359770), (8960, 2326059), (9254, 2252160), (9384, 2220960), (9520, 2189232), (9660, 2157504), (9792, 2128420), (9915, 2102016), (10080, 2067608), (10304, 2022660), (10576, 1970640), (10710, 1945984), (10880, 1915578), (10948, 1903680), (11040, 1887816), (11237, 1854720), (11424, 1824360), (11520, 1809157), (11592, 1797920), (11730, 1776768), (11898, 1751680), (12240, 1702736), (12512, 1665720), (12880, 1618128), (13056, 1596315), (13220, 1576512), (13248, 1573180), (13440, 1550706), (13685, 1522944), (13881, 1501440), (14076, 1480640), (14280, 1459488), (14490, 1438336), (14720, 1415862), (15203, 1370880), (15232, 1368270), (15456, 1348440), (15640, 1332576), (15864, 1313760), (16128, 1292255), (16320, 1277052), (16422, 1269120), (16560, 1258544), (17136, 1216240), (17595, 1184512), (17664, 1179885), (18508, 1126080), (18768, 1110480), (19040, 1094616), (19320, 1078752), (19584, 1064210), (19830, 1051008), (20160, 1033804), (20608, 1011330), (21152, 985320), (21420, 972992), (21760, 957789), (21896, 951840), (22080, 943908), (22474, 927360), (22848, 912180), (23135, 900864), (23184, 898960), (23460, 888384), (23796, 875840), (24480, 851368), (24633, 846080), (25024, 832860), (25760, 809064), (26440, 788256), (26496, 786590), (26880, 775353), (27370, 761472), (27762, 750720), (28152, 740320), (28560, 729744), (28980, 719168), (29440, 707931), (29745, 700672), (30406, 685440), (30464, 684135), (30912, 674220), (31280, 666288), (31728, 656880), (32640, 638526), (32844, 634560), (33120, 629272), (33711, 618240), (34272, 608120), (35190, 592256), (37016, 563040), (37536, 555240), (38080, 547308), (38640, 539376), (39168, 532105), (39660, 525504), (40320, 516902), (41055, 507648), (41216, 505665), (41643, 500480), (42304, 492660), (42840, 486496), (43792, 475920), (44160, 471954), (44948, 463680), (45609, 456960), (45696, 456090), (46270, 450432), (46368, 449480), (46920, 444192), (47592, 437920), (48960, 425684), (49266, 423040), (50048, 416430), (51520, 404532), (52880, 394128), (52992, 393295), (54740, 380736), (55524, 375360), (56185, 370944), (56304, 370160), (57120, 364872), (57960, 359584), (59490, 350336), (60812, 342720), (61824, 337110), (62560, 333144), (63456, 328440), (65280, 319263), (65688, 317280), (66240, 314636), (67422, 309120), (68544, 304060), (69405, 300288), (70380, 296128), (74032, 281520), (75072, 277620), (76015, 274176), (76160, 273654), (77280, 269688), (78659, 264960), (79320, 262752), (80640, 258451), (82110, 253824), (83286, 250240), (84608, 246330), (85680, 243248), (87584, 237960), (88320, 235977), (89896, 231840), (91218, 228480), (91392, 228045), (92540, 225216), (92736, 224740), (93840, 222096), (95184, 218960), (97920, 212842), (98532, 211520), (100096, 208215), (101133, 206080), (103040, 202266), (105760, 197064), (106421, 195840), (109480, 190368), (111048, 187680), (112370, 185472), (112608, 185080), (114240, 182436), (115920, 179792), (118980, 175168), (121624, 171360), (123165, 169216), (123648, 168555), (125120, 166572), (126912, 164220), (131376, 158640), (132480, 157318), (134844, 154560), (136827, 152320), (137088, 152030), (138810, 150144), (140760, 148064)]