20892203640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 960

約数和(自身を含む): 92324897280

約数和(自身を除く): 71432693640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 46, 54, 55, 56, 60, 63, 66, 69, 70, 72, 77, 81, 84, 88, 90, 92, 99, 105, 108, 110, 115, 120, 121, 126, 132, 135, 138, 140, 154, 161, 162, 165, 168, 180, 184, 189, 198, 207, 210, 216, 220, 230, 231, 242, 252, 253, 264, 270, 276, 280, 297, 308, 315, 322, 324, 330, 331, 345, 360, 363, 378, 385, 396, 405, 414, 420, 440, 460, 462, 483, 484, 495, 504, 506, 540, 552, 567, 594, 605, 616, 621, 630, 644, 648, 660, 662, 690, 693, 726, 756, 759, 770, 792, 805, 810, 828, 840, 847, 891, 920, 924, 945, 966, 968, 990, 993, 1012, 1035, 1080, 1089, 1134, 1155, 1188, 1210, 1242, 1260, 1265, 1288, 1320, 1324, 1380, 1386, 1449, 1452, 1485, 1512, 1518, 1540, 1610, 1620, 1655, 1656, 1694, 1771, 1782, 1815, 1848, 1863, 1890, 1932, 1980, 1986, 2024, 2070, 2079, 2178, 2268, 2277, 2310, 2317, 2376, 2415, 2420, 2484, 2520, 2530, 2541, 2648, 2760, 2772, 2783, 2835, 2898, 2904, 2970, 2979, 3036, 3080, 3105, 3220, 3240, 3267, 3310, 3388, 3465, 3542, 3564, 3630, 3641, 3726, 3780, 3795, 3864, 3960, 3972, 4140, 4158, 4235, 4347, 4356, 4455, 4536, 4554, 4620, 4634, 4830, 4840, 4965, 4968, 5060, 5082, 5313, 5445, 5544, 5566, 5670, 5796, 5940, 5958, 6072, 6210, 6237, 6440, 6534, 6620, 6776, 6831, 6930, 6951, 7084, 7128, 7245, 7260, 7282, 7452, 7560, 7590, 7613, 7623, 7944, 8280, 8316, 8349, 8470, 8694, 8712, 8855, 8910, 8937, 9108, 9240, 9268, 9315, 9660, 9801, 9930, 10120, 10164, 10395, 10626, 10890, 10923, 11132, 11340, 11385, 11585, 11592, 11880, 11916, 12420, 12474, 12705, 13041, 13068, 13240, 13662, 13860, 13902, 13915, 14168, 14490, 14520, 14564, 14895, 14904, 15180, 15226, 15246, 15939, 16335, 16632, 16698, 16940, 17388, 17710, 17820, 17874, 18205, 18216, 18536, 18630, 19320, 19481, 19602, 19860, 20328, 20493, 20790, 20853, 21252, 21735, 21780, 21846, 22264, 22680, 22770, 22839, 22869, 23170, 23832, 24840, 24948, 25047, 25410, 25487, 26082, 26136, 26565, 26811, 27324, 27720, 27804, 27830, 28980, 29128, 29790, 30360, 30452, 30492, 31185, 31878, 32670, 32769, 33396, 33880, 34155, 34755, 34776, 35420, 35640, 35748, 36410, 37260, 38065, 38115, 38962, 39204, 39720, 40051, 40986, 41580, 41706, 41745, 42504, 43470, 43560, 43692, 44685, 45540, 45678, 45738, 46340, 47817, 49005, 49896, 50094, 50820, 50974, 52164, 53130, 53291, 53622, 54615, 54648, 55608, 55660, 57960, 58443, 59580, 60904, 60984, 62370, 62559, 63756, 65205, 65340, 65538, 66792, 68310, 68517, 68607, 69510, 70840, 71496, 72820, 74520, 75141, 76130, 76230, 76461, 77924, 78408, 79695, 80102, 81972, 83160, 83412, 83490, 83743, 86940, 87384, 89370, 91080, 91356, 91476, 92680, 95634, 97405, 98010, 98307, 100188, 101640, 101948, 102465, 104265, 104328, 106260, 106582, 107244, 109230, 111320, 114195, 114345, 116886, 119160, 120153, 124740, 125118, 125235, 127435, 127512, 130410, 130680, 131076, 134055, 136620, 137034, 137214, 139020, 143451, 145640, 150282, 152260, 152460, 152922, 155848, 159390, 159873, 160204, 163845, 163944, 166824, 166980, 167486, 173880, 175329, 178740, 182712, 182952, 187677, 191268, 194810, 196020, 196614, 200255, 200376, 203896, 204930, 205551, 208530, 212520, 213164, 214488, 218460, 225423, 228390, 228690, 229383, 233772, 239085, 240306, 249480, 250236, 250470, 251229, 254870, 260820, 262152, 266455, 268110, 273240, 274068, 274428, 278040, 280357, 286902, 292215, 294921, 300564, 304520, 304920, 305844, 312795, 318780, 319746, 320408, 327690, 333960, 334972, 342585, 343035, 350658, 357480, 360459, 375354, 375705, 382305, 382536, 389620, 392040, 393228, 400510, 409860, 411102, 417060, 418715, 426328, 436920, 450846, 456780, 457380, 458766, 467544, 478170, 479619, 480612, 491535, 500472, 500940, 502458, 509740, 521640, 525987, 532910, 536220, 548136, 548856, 560714, 573804, 584430, 586201, 589842, 600765, 601128, 611688, 616653, 625590, 637560, 639492, 655380, 669944, 685170, 686070, 688149, 701316, 717255, 720918, 750708, 751410, 753687, 764610, 779240, 786456, 799365, 801020, 819720, 822204, 834120, 837430, 841071, 876645, 901692, 913560, 914760, 917532, 921173, 938385, 956340, 959238, 961224, 983070, 1001880, 1004916, 1019480, 1027755, 1051974, 1065820, 1072440, 1081377, 1121428, 1127115, 1146915, 1147608, 1168860, 1172402, 1179684, 1201530, 1233306, 1251180, 1256145, 1278984, 1310760, 1370340, 1372140, 1376298, 1401785, 1402632, 1434510, 1438857, 1441836, 1474605, 1501416, 1502820, 1507374, 1529220, 1577961, 1598730, 1602040, 1644408, 1674860, 1682142, 1753290, 1758603, 1802295, 1803384, 1835064, 1842346, 1876770, 1912680, 1918476, 1966140, 2009832, 2055510, 2064447, 2103948, 2131640, 2162754, 2242856, 2254230, 2261061, 2293830, 2337720, 2344804, 2359368, 2398095, 2403060, 2466612, 2502360, 2512290, 2523213, 2629935, 2740680, 2744280, 2752596, 2763519, 2803570, 2869020, 2877714, 2883672, 2931005, 2949210, 3005640, 3014748, 3058440, 3083265, 3155922, 3197460, 3244131, 3349720, 3364284, 3440745, 3506580, 3517206, 3604590, 3684692, 3753540, 3768435, 3836952, 3932280, 4111020, 4128894, 4205355, 4207896, 4316571, 4325508, 4508460, 4522122, 4587660, 4605865, 4689608, 4796190, 4806120, 4933224, 5024580, 5046426, 5259870, 5275809, 5406885, 5505192, 5527038, 5607140, 5738040, 5755428, 5862010, 5898420, 6029496, 6166530, 6311844, 6394920, 6448211, 6488262, 6728568, 6783183, 6881490, 7013160, 7034412, 7194285, 7209180, 7369384, 7507080, 7536870, 7569639, 7889805, 8222040, 8257788, 8290557, 8410710, 8633142, 8651016, 8793015, 9016920, 9044244, 9175320, 9211730, 9592380, 10049160, 10092852, 10322235, 10519740, 10551618, 10813770, 11054076, 11214280, 11305305, 11510856, 11724020, 11796840, 12333060, 12616065, 12623688, 12896422, 12976524, 13566366, 13762980, 13817595, 14068824, 14388570, 14418360, 15073740, 15139278, 15779610, 15827427, 16220655, 16515576, 16581114, 16821420, 17266284, 17586030, 18088488, 18423460, 19184760, 19344633, 20185704, 20644470, 21039480, 21103236, 21582855, 21627540, 22108152, 22610610, 22708917, 23448040, 24666120, 24871671, 25232130, 25792844, 25953048, 26379045, 27132732, 27525960, 27635190, 28777140, 30147480, 30278556, 31559220, 31654854, 32241055, 32441310, 33162228, 33642840, 33915915, 34532568, 35172060, 36846920, 37848195, 38689266, 41288940, 41452785, 42206472, 43165710, 43255080, 45221220, 45417834, 47482281, 49743342, 50464260, 51585688, 52758090, 54265464, 55270380, 57554280, 58033899, 60557112, 63118440, 63309708, 64482110, 64882620, 66324456, 67831830, 70344120, 74615013, 75696390, 77378532, 79137135, 82577880, 82905570, 86331420, 90442440, 90835668, 94964562, 96723165, 99486684, 100928520, 105516180, 110540760, 113544585, 116067798, 124358355, 126619416, 128964220, 129765240, 135663660, 149230026, 151392780, 154757064, 158274270, 165811140, 172662840, 174101697, 181671336, 189929124, 193446330, 198973368, 211032360, 227089170, 232135596, 237411405, 248716710, 257928440, 271327320, 290169495, 298460052, 302785560, 316548540, 331622280, 348203394, 373075065, 379858248, 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約数ペア:

[(1, 20892203640), (2, 10446101820), (3, 6964067880), (4, 5223050910), (5, 4178440728), (6, 3482033940), (7, 2984600520), (8, 2611525455), (9, 2321355960), (10, 2089220364), (11, 1899291240), (12, 1741016970), (14, 1492300260), (15, 1392813576), (18, 1160677980), (20, 1044610182), (21, 994866840), (22, 949645620), (23, 908356680), (24, 870508485), (27, 773785320), (28, 746150130), (30, 696406788), (33, 633097080), (35, 596920104), (36, 580338990), (40, 522305091), (42, 497433420), (44, 474822810), (45, 464271192), (46, 454178340), (54, 386892660), (55, 379858248), (56, 373075065), (60, 348203394), (63, 331622280), (66, 316548540), (69, 302785560), (70, 298460052), (72, 290169495), (77, 271327320), (81, 257928440), (84, 248716710), (88, 237411405), (90, 232135596), (92, 227089170), (99, 211032360), (105, 198973368), (108, 193446330), (110, 189929124), (115, 181671336), (120, 174101697), (121, 172662840), (126, 165811140), (132, 158274270), (135, 154757064), (138, 151392780), (140, 149230026), (154, 135663660), (161, 129765240), (162, 128964220), (165, 126619416), (168, 124358355), (180, 116067798), (184, 113544585), (189, 110540760), (198, 105516180), (207, 100928520), (210, 99486684), (216, 96723165), (220, 94964562), (230, 90835668), (231, 90442440), (242, 86331420), (252, 82905570), (253, 82577880), (264, 79137135), (270, 77378532), (276, 75696390), (280, 74615013), (297, 70344120), (308, 67831830), (315, 66324456), (322, 64882620), (324, 64482110), (330, 63309708), (331, 63118440), (345, 60557112), (360, 58033899), (363, 57554280), (378, 55270380), (385, 54265464), (396, 52758090), (405, 51585688), (414, 50464260), (420, 49743342), (440, 47482281), (460, 45417834), (462, 45221220), (483, 43255080), (484, 43165710), (495, 42206472), (504, 41452785), (506, 41288940), (540, 38689266), (552, 37848195), (567, 36846920), (594, 35172060), (605, 34532568), (616, 33915915), (621, 33642840), (630, 33162228), (644, 32441310), (648, 32241055), (660, 31654854), (662, 31559220), (690, 30278556), (693, 30147480), (726, 28777140), (756, 27635190), (759, 27525960), (770, 27132732), (792, 26379045), (805, 25953048), (810, 25792844), (828, 25232130), (840, 24871671), (847, 24666120), (891, 23448040), (920, 22708917), (924, 22610610), (945, 22108152), (966, 21627540), (968, 21582855), (990, 21103236), (993, 21039480), (1012, 20644470), (1035, 20185704), (1080, 19344633), (1089, 19184760), (1134, 18423460), (1155, 18088488), (1188, 17586030), (1210, 17266284), (1242, 16821420), (1260, 16581114), (1265, 16515576), (1288, 16220655), (1320, 15827427), (1324, 15779610), (1380, 15139278), (1386, 15073740), (1449, 14418360), (1452, 14388570), (1485, 14068824), (1512, 13817595), (1518, 13762980), (1540, 13566366), (1610, 12976524), (1620, 12896422), (1655, 12623688), (1656, 12616065), (1694, 12333060), (1771, 11796840), (1782, 11724020), (1815, 11510856), (1848, 11305305), (1863, 11214280), (1890, 11054076), (1932, 10813770), (1980, 10551618), (1986, 10519740), (2024, 10322235), (2070, 10092852), (2079, 10049160), (2178, 9592380), (2268, 9211730), (2277, 9175320), (2310, 9044244), (2317, 9016920), (2376, 8793015), (2415, 8651016), (2420, 8633142), (2484, 8410710), (2520, 8290557), (2530, 8257788), (2541, 8222040), (2648, 7889805), (2760, 7569639), (2772, 7536870), (2783, 7507080), (2835, 7369384), (2898, 7209180), (2904, 7194285), (2970, 7034412), (2979, 7013160), (3036, 6881490), (3080, 6783183), (3105, 6728568), (3220, 6488262), (3240, 6448211), (3267, 6394920), (3310, 6311844), (3388, 6166530), (3465, 6029496), (3542, 5898420), (3564, 5862010), (3630, 5755428), (3641, 5738040), (3726, 5607140), (3780, 5527038), (3795, 5505192), (3864, 5406885), (3960, 5275809), (3972, 5259870), (4140, 5046426), (4158, 5024580), (4235, 4933224), (4347, 4806120), (4356, 4796190), (4455, 4689608), (4536, 4605865), (4554, 4587660), (4620, 4522122), (4634, 4508460), (4830, 4325508), (4840, 4316571), (4965, 4207896), (4968, 4205355), (5060, 4128894), (5082, 4111020), (5313, 3932280), (5445, 3836952), (5544, 3768435), (5566, 3753540), (5670, 3684692), (5796, 3604590), (5940, 3517206), (5958, 3506580), (6072, 3440745), (6210, 3364284), (6237, 3349720), (6440, 3244131), (6534, 3197460), (6620, 3155922), (6776, 3083265), (6831, 3058440), (6930, 3014748), (6951, 3005640), (7084, 2949210), (7128, 2931005), (7245, 2883672), (7260, 2877714), (7282, 2869020), (7452, 2803570), (7560, 2763519), (7590, 2752596), (7613, 2744280), (7623, 2740680), (7944, 2629935), (8280, 2523213), (8316, 2512290), (8349, 2502360), (8470, 2466612), (8694, 2403060), (8712, 2398095), (8855, 2359368), (8910, 2344804), (8937, 2337720), (9108, 2293830), (9240, 2261061), (9268, 2254230), (9315, 2242856), (9660, 2162754), (9801, 2131640), (9930, 2103948), (10120, 2064447), (10164, 2055510), (10395, 2009832), (10626, 1966140), (10890, 1918476), (10923, 1912680), (11132, 1876770), (11340, 1842346), (11385, 1835064), (11585, 1803384), (11592, 1802295), (11880, 1758603), (11916, 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819720), (26082, 801020), (26136, 799365), (26565, 786456), (26811, 779240), (27324, 764610), (27720, 753687), (27804, 751410), (27830, 750708), (28980, 720918), (29128, 717255), (29790, 701316), (30360, 688149), (30452, 686070), (30492, 685170), (31185, 669944), (31878, 655380), (32670, 639492), (32769, 637560), (33396, 625590), (33880, 616653), (34155, 611688), (34755, 601128), (34776, 600765), (35420, 589842), (35640, 586201), (35748, 584430), (36410, 573804), (37260, 560714), (38065, 548856), (38115, 548136), (38962, 536220), (39204, 532910), (39720, 525987), (40051, 521640), (40986, 509740), (41580, 502458), (41706, 500940), (41745, 500472), (42504, 491535), (43470, 480612), (43560, 479619), (43692, 478170), (44685, 467544), (45540, 458766), (45678, 457380), (45738, 456780), (46340, 450846), (47817, 436920), (49005, 426328), (49896, 418715), (50094, 417060), (50820, 411102), (50974, 409860), (52164, 400510), (53130, 393228), (53291, 392040), (53622, 389620), (54615, 382536), (54648, 382305), (55608, 375705), (55660, 375354), (57960, 360459), (58443, 357480), (59580, 350658), (60904, 343035), (60984, 342585), (62370, 334972), (62559, 333960), (63756, 327690), (65205, 320408), (65340, 319746), (65538, 318780), (66792, 312795), (68310, 305844), (68517, 304920), (68607, 304520), (69510, 300564), (70840, 294921), (71496, 292215), (72820, 286902), (74520, 280357), (75141, 278040), (76130, 274428), (76230, 274068), (76461, 273240), (77924, 268110), (78408, 266455), (79695, 262152), (80102, 260820), (81972, 254870), (83160, 251229), (83412, 250470), (83490, 250236), (83743, 249480), (86940, 240306), (87384, 239085), (89370, 233772), (91080, 229383), (91356, 228690), (91476, 228390), (92680, 225423), (95634, 218460), (97405, 214488), (98010, 213164), (98307, 212520), (100188, 208530), (101640, 205551), (101948, 204930), (102465, 203896), (104265, 200376), (104328, 200255), (106260, 196614), (106582, 196020), (107244, 194810), (109230, 191268), (111320, 187677), (114195, 182952), (114345, 182712), (116886, 178740), (119160, 175329), (120153, 173880), (124740, 167486), (125118, 166980), (125235, 166824), (127435, 163944), (127512, 163845), (130410, 160204), (130680, 159873), (131076, 159390), (134055, 155848), (136620, 152922), (137034, 152460), (137214, 152260), (139020, 150282), (143451, 145640)]