20455061760

素因数分解:

$2^8\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 864

約数和(自身を含む): 86570104320

約数和(自身を除く): 66115042560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 49, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 94, 96, 98, 105, 108, 112, 120, 126, 128, 135, 140, 141, 144, 147, 160, 168, 180, 188, 189, 192, 196, 210, 216, 224, 235, 240, 245, 252, 256, 257, 270, 280, 282, 288, 294, 315, 320, 329, 336, 360, 376, 378, 384, 392, 420, 423, 432, 441, 448, 470, 480, 490, 504, 514, 540, 560, 564, 576, 588, 630, 640, 658, 672, 705, 720, 735, 752, 756, 768, 771, 784, 840, 846, 864, 882, 896, 940, 945, 960, 980, 987, 1008, 1028, 1080, 1120, 1128, 1152, 1176, 1260, 1269, 1280, 1285, 1316, 1323, 1344, 1410, 1440, 1470, 1504, 1512, 1542, 1568, 1645, 1680, 1692, 1728, 1764, 1792, 1799, 1880, 1890, 1920, 1960, 1974, 2016, 2056, 2115, 2160, 2205, 2240, 2256, 2303, 2304, 2313, 2352, 2520, 2538, 2570, 2632, 2646, 2688, 2820, 2880, 2940, 2961, 3008, 3024, 3084, 3136, 3290, 3360, 3384, 3456, 3528, 3598, 3760, 3780, 3840, 3855, 3920, 3948, 4032, 4112, 4230, 4320, 4410, 4480, 4512, 4606, 4626, 4704, 4935, 5040, 5076, 5140, 5264, 5292, 5376, 5397, 5640, 5760, 5880, 5922, 6016, 6048, 6168, 6272, 6345, 6580, 6615, 6720, 6768, 6909, 6912, 6939, 7056, 7196, 7520, 7560, 7710, 7840, 7896, 8064, 8224, 8460, 8640, 8820, 8883, 8960, 8995, 9024, 9212, 9252, 9408, 9870, 10080, 10152, 10280, 10528, 10584, 10794, 11280, 11515, 11520, 11565, 11760, 11844, 12032, 12079, 12096, 12336, 12544, 12593, 12690, 13160, 13230, 13440, 13536, 13818, 13878, 14112, 14392, 14805, 15040, 15120, 15420, 15680, 15792, 16128, 16191, 16448, 16920, 17280, 17640, 17766, 17990, 18048, 18424, 18504, 18816, 19740, 20160, 20304, 20560, 20727, 21056, 21168, 21588, 22560, 23030, 23130, 23520, 23688, 24158, 24192, 24672, 25186, 25380, 26320, 26460, 26880, 26985, 27072, 27636, 27756, 28224, 28784, 29610, 30080, 30240, 30840, 31360, 31584, 32382, 32896, 33840, 34545, 34560, 34695, 35280, 35532, 35980, 36096, 36237, 36848, 37008, 37632, 37779, 39480, 40320, 40608, 41120, 41454, 42112, 42336, 43176, 44415, 45120, 46060, 46260, 47040, 47376, 48316, 48384, 48573, 49344, 50372, 50760, 52640, 52920, 53970, 54144, 55272, 55512, 56448, 57568, 59220, 60160, 60395, 60480, 61680, 62181, 62720, 62965, 63168, 64764, 65792, 67680, 69090, 69390, 70560, 71064, 71960, 72474, 73696, 74016, 75558, 78960, 80640, 80955, 81216, 82240, 82908, 84224, 84553, 84672, 86352, 88830, 90240, 92120, 92520, 94080, 94752, 96632, 97146, 98688, 100744, 101520, 103635, 105280, 105840, 107940, 108288, 108711, 110544, 111024, 112896, 113337, 115136, 118440, 120790, 120960, 123360, 124362, 125930, 126336, 129528, 135360, 138180, 138780, 141120, 142128, 143920, 144948, 147392, 148032, 151116, 157920, 161910, 162432, 164480, 165816, 169106, 169344, 172704, 177660, 180480, 181185, 184240, 185040, 188160, 188895, 189504, 193264, 194292, 197376, 201488, 203040, 207270, 210560, 211680, 215880, 217422, 221088, 222048, 226674, 230272, 236880, 241580, 241920, 242865, 246720, 248724, 251860, 252672, 253659, 259056, 270720, 276360, 277560, 282240, 284256, 287840, 289896, 294784, 296064, 302232, 310905, 315840, 323820, 324864, 326133, 328960, 331632, 338212, 338688, 340011, 345408, 355320, 362370, 368480, 370080, 377790, 379008, 386528, 388584, 402976, 406080, 414540, 421120, 422765, 423360, 431760, 434844, 442176, 444096, 453348, 460544, 473760, 483160, 485730, 493440, 497448, 503720, 507318, 518112, 541440, 543555, 552720, 555120, 564480, 566685, 568512, 575680, 579792, 589568, 591871, 592128, 604464, 621810, 631680, 647640, 652266, 663264, 676424, 680022, 690816, 710640, 724740, 736960, 740160, 755580, 758016, 760977, 773056, 777168, 805952, 812160, 829080, 845530, 846720, 863520, 869688, 884352, 888192, 906696, 947520, 966320, 971460, 986880, 994896, 1007440, 1014636, 1036224, 1087110, 1105440, 1110240, 1133370, 1137024, 1151360, 1159584, 1183742, 1208928, 1243620, 1263360, 1268295, 1295280, 1304532, 1326528, 1352848, 1360044, 1381632, 1421280, 1449480, 1473920, 1480320, 1511160, 1521954, 1546112, 1554336, 1611904, 1624320, 1630665, 1658160, 1691060, 1693440, 1700055, 1727040, 1739376, 1768704, 1775613, 1776384, 1813392, 1895040, 1932640, 1942920, 1989792, 2014880, 2029272, 2072448, 2174220, 2210880, 2220480, 2266740, 2274048, 2282931, 2302720, 2319168, 2367484, 2417856, 2487240, 2536590, 2590560, 2609064, 2653056, 2705696, 2720088, 2842560, 2898960, 2947840, 2959355, 2960640, 3022320, 3043908, 3092224, 3108672, 3223808, 3261330, 3316320, 3382120, 3400110, 3454080, 3478752, 3551226, 3626784, 3790080, 3804885, 3865280, 3885840, 3979584, 4029760, 4058544, 4144896, 4348440, 4421760, 4440960, 4533480, 4565862, 4638336, 4734968, 4835712, 4974480, 5073180, 5181120, 5218128, 5306112, 5326839, 5411392, 5440176, 5685120, 5797920, 5918710, 6044640, 6087816, 6217344, 6522660, 6632640, 6764240, 6800220, 6908160, 6957504, 7102452, 7253568, 7609770, 7730560, 7771680, 7959168, 8059520, 8117088, 8696880, 8843520, 8878065, 8881920, 9066960, 9131724, 9276672, 9469936, 9671424, 9948960, 10146360, 10362240, 10436256, 10653678, 10822784, 10880352, 11370240, 11414655, 11595840, 11837420, 12089280, 12175632, 12434688, 13045320, 13265280, 13528480, 13600440, 13915008, 14204904, 14507136, 15219540, 15461120, 15543360, 15918336, 15980517, 16119040, 16234176, 17393760, 17756130, 18133920, 18263448, 18939872, 19897920, 20292720, 20724480, 20872512, 21307356, 21645568, 21760704, 22829310, 23191680, 23674840, 24178560, 24351264, 26090640, 26530560, 26634195, 27056960, 27200880, 27830016, 28409808, 29014272, 30439080, 31086720, 31961034, 32468352, 34787520, 35512260, 36267840, 36526896, 37879744, 39795840, 40585440, 41745024, 42614712, 43521408, 45658620, 46383360, 47349680, 48357120, 48702528, 52181280, 53268390, 54113920, 54401760, 56819616, 60878160, 62173440, 63922068, 64936704, 69575040, 71024520, 72535680, 73053792, 75759488, 79591680, 79902585, 81170880, 83490048, 85229424, 87042816, 91317240, 94699360, 97405056, 104362560, 106536780, 108227840, 108803520, 113639232, 121756320, 127844136, 139150080, 142049040, 145071360, 146107584, 151518976, 159805170, 162341760, 170458848, 182634480, 189398720, 194810112, 208725120, 213073560, 217607040, 227278464, 243512640, 255688272, 284098080, 292215168, 319610340, 324683520, 340917696, 365268960, 378797440, 417450240, 426147120, 435214080, 454556928, 487025280, 511376544, 568196160, 584430336, 639220680, 681835392, 730537920, 757594880, 852294240, 974050560, 1022753088, 1136392320, 1278441360, 1363670784, 1461075840, 1704588480, 2045506176, 2272784640, 2556882720, 2922151680, 3409176960, 4091012352, 5113765440, 6818353920, 10227530880, 20455061760]

約数ペア:

[(1, 20455061760), (2, 10227530880), (3, 6818353920), (4, 5113765440), (5, 4091012352), (6, 3409176960), (7, 2922151680), (8, 2556882720), (9, 2272784640), (10, 2045506176), (12, 1704588480), (14, 1461075840), (15, 1363670784), (16, 1278441360), (18, 1136392320), (20, 1022753088), (21, 974050560), (24, 852294240), (27, 757594880), (28, 730537920), (30, 681835392), (32, 639220680), (35, 584430336), (36, 568196160), (40, 511376544), (42, 487025280), (45, 454556928), (47, 435214080), (48, 426147120), (49, 417450240), (54, 378797440), (56, 365268960), (60, 340917696), (63, 324683520), (64, 319610340), (70, 292215168), (72, 284098080), (80, 255688272), (84, 243512640), (90, 227278464), (94, 217607040), (96, 213073560), (98, 208725120), (105, 194810112), (108, 189398720), (112, 182634480), (120, 170458848), (126, 162341760), (128, 159805170), (135, 151518976), (140, 146107584), (141, 145071360), (144, 142049040), (147, 139150080), (160, 127844136), (168, 121756320), (180, 113639232), (188, 108803520), (189, 108227840), (192, 106536780), (196, 104362560), (210, 97405056), (216, 94699360), (224, 91317240), (235, 87042816), (240, 85229424), (245, 83490048), (252, 81170880), (256, 79902585), (257, 79591680), (270, 75759488), (280, 73053792), (282, 72535680), (288, 71024520), (294, 69575040), (315, 64936704), (320, 63922068), (329, 62173440), (336, 60878160), (360, 56819616), (376, 54401760), (378, 54113920), (384, 53268390), (392, 52181280), (420, 48702528), (423, 48357120), (432, 47349680), (441, 46383360), (448, 45658620), (470, 43521408), (480, 42614712), (490, 41745024), (504, 40585440), (514, 39795840), (540, 37879744), (560, 36526896), (564, 36267840), (576, 35512260), (588, 34787520), (630, 32468352), (640, 31961034), (658, 31086720), (672, 30439080), (705, 29014272), (720, 28409808), (735, 27830016), (752, 27200880), (756, 27056960), (768, 26634195), (771, 26530560), (784, 26090640), (840, 24351264), (846, 24178560), (864, 23674840), (882, 23191680), (896, 22829310), (940, 21760704), (945, 21645568), (960, 21307356), (980, 20872512), (987, 20724480), (1008, 20292720), (1028, 19897920), (1080, 18939872), (1120, 18263448), (1128, 18133920), (1152, 17756130), (1176, 17393760), (1260, 16234176), (1269, 16119040), (1280, 15980517), (1285, 15918336), (1316, 15543360), (1323, 15461120), (1344, 15219540), (1410, 14507136), (1440, 14204904), (1470, 13915008), (1504, 13600440), (1512, 13528480), (1542, 13265280), (1568, 13045320), (1645, 12434688), (1680, 12175632), (1692, 12089280), (1728, 11837420), (1764, 11595840), (1792, 11414655), (1799, 11370240), (1880, 10880352), (1890, 10822784), (1920, 10653678), (1960, 10436256), (1974, 10362240), (2016, 10146360), (2056, 9948960), (2115, 9671424), (2160, 9469936), (2205, 9276672), (2240, 9131724), (2256, 9066960), (2303, 8881920), (2304, 8878065), (2313, 8843520), (2352, 8696880), (2520, 8117088), (2538, 8059520), (2570, 7959168), (2632, 7771680), (2646, 7730560), (2688, 7609770), (2820, 7253568), (2880, 7102452), (2940, 6957504), (2961, 6908160), (3008, 6800220), (3024, 6764240), (3084, 6632640), (3136, 6522660), (3290, 6217344), (3360, 6087816), (3384, 6044640), (3456, 5918710), (3528, 5797920), (3598, 5685120), (3760, 5440176), (3780, 5411392), (3840, 5326839), (3855, 5306112), (3920, 5218128), (3948, 5181120), (4032, 5073180), (4112, 4974480), (4230, 4835712), (4320, 4734968), (4410, 4638336), (4480, 4565862), (4512, 4533480), (4606, 4440960), (4626, 4421760), (4704, 4348440), (4935, 4144896), (5040, 4058544), (5076, 4029760), (5140, 3979584), (5264, 3885840), (5292, 3865280), (5376, 3804885), (5397, 3790080), (5640, 3626784), (5760, 3551226), (5880, 3478752), (5922, 3454080), (6016, 3400110), (6048, 3382120), (6168, 3316320), (6272, 3261330), (6345, 3223808), (6580, 3108672), (6615, 3092224), (6720, 3043908), (6768, 3022320), (6909, 2960640), (6912, 2959355), (6939, 2947840), (7056, 2898960), (7196, 2842560), (7520, 2720088), (7560, 2705696), (7710, 2653056), (7840, 2609064), (7896, 2590560), (8064, 2536590), (8224, 2487240), (8460, 2417856), (8640, 2367484), (8820, 2319168), (8883, 2302720), (8960, 2282931), (8995, 2274048), (9024, 2266740), (9212, 2220480), (9252, 2210880), (9408, 2174220), (9870, 2072448), (10080, 2029272), (10152, 2014880), (10280, 1989792), (10528, 1942920), (10584, 1932640), (10794, 1895040), (11280, 1813392), (11515, 1776384), (11520, 1775613), (11565, 1768704), (11760, 1739376), (11844, 1727040), (12032, 1700055), (12079, 1693440), (12096, 1691060), (12336, 1658160), (12544, 1630665), (12593, 1624320), (12690, 1611904), (13160, 1554336), (13230, 1546112), (13440, 1521954), (13536, 1511160), (13818, 1480320), (13878, 1473920), (14112, 1449480), (14392, 1421280), (14805, 1381632), (15040, 1360044), (15120, 1352848), (15420, 1326528), (15680, 1304532), (15792, 1295280), (16128, 1268295), (16191, 1263360), (16448, 1243620), (16920, 1208928), (17280, 1183742), (17640, 1159584), (17766, 1151360), (17990, 1137024), (18048, 1133370), (18424, 1110240), (18504, 1105440), (18816, 1087110), (19740, 1036224), (20160, 1014636), (20304, 1007440), (20560, 994896), (20727, 986880), (21056, 971460), (21168, 966320), (21588, 947520), (22560, 906696), (23030, 888192), (23130, 884352), (23520, 869688), (23688, 863520), (24158, 846720), (24192, 845530), (24672, 829080), (25186, 812160), (25380, 805952), (26320, 777168), (26460, 773056), (26880, 760977), (26985, 758016), (27072, 755580), (27636, 740160), (27756, 736960), (28224, 724740), (28784, 710640), (29610, 690816), (30080, 680022), (30240, 676424), (30840, 663264), (31360, 652266), (31584, 647640), (32382, 631680), (32896, 621810), (33840, 604464), (34545, 592128), (34560, 591871), (34695, 589568), (35280, 579792), (35532, 575680), (35980, 568512), (36096, 566685), (36237, 564480), (36848, 555120), (37008, 552720), (37632, 543555), (37779, 541440), (39480, 518112), (40320, 507318), (40608, 503720), (41120, 497448), (41454, 493440), (42112, 485730), (42336, 483160), (43176, 473760), (44415, 460544), (45120, 453348), (46060, 444096), (46260, 442176), (47040, 434844), (47376, 431760), (48316, 423360), (48384, 422765), (48573, 421120), (49344, 414540), (50372, 406080), (50760, 402976), (52640, 388584), (52920, 386528), (53970, 379008), (54144, 377790), (55272, 370080), (55512, 368480), (56448, 362370), (57568, 355320), (59220, 345408), (60160, 340011), (60395, 338688), (60480, 338212), (61680, 331632), (62181, 328960), (62720, 326133), (62965, 324864), (63168, 323820), (64764, 315840), (65792, 310905), (67680, 302232), (69090, 296064), (69390, 294784), (70560, 289896), (71064, 287840), (71960, 284256), (72474, 282240), (73696, 277560), (74016, 276360), (75558, 270720), (78960, 259056), (80640, 253659), (80955, 252672), (81216, 251860), (82240, 248724), (82908, 246720), (84224, 242865), (84553, 241920), (84672, 241580), (86352, 236880), (88830, 230272), (90240, 226674), (92120, 222048), (92520, 221088), (94080, 217422), (94752, 215880), (96632, 211680), (97146, 210560), (98688, 207270), (100744, 203040), (101520, 201488), (103635, 197376), (105280, 194292), (105840, 193264), (107940, 189504), (108288, 188895), (108711, 188160), (110544, 185040), (111024, 184240), (112896, 181185), (113337, 180480), (115136, 177660), (118440, 172704), (120790, 169344), (120960, 169106), (123360, 165816), (124362, 164480), (125930, 162432), (126336, 161910), (129528, 157920), (135360, 151116), (138180, 148032), (138780, 147392), (141120, 144948), (142128, 143920)]