20281780512

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 720

約数和(自身を含む): 74332665792

約数和(自身を除く): 54050885280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 49, 53, 54, 56, 63, 69, 72, 81, 84, 92, 96, 98, 106, 108, 112, 126, 131, 138, 144, 147, 159, 161, 162, 168, 184, 189, 196, 207, 212, 216, 224, 252, 262, 276, 288, 294, 318, 322, 324, 336, 368, 371, 378, 392, 393, 414, 424, 432, 441, 477, 483, 504, 524, 552, 567, 588, 621, 636, 644, 648, 672, 736, 742, 756, 784, 786, 828, 848, 864, 882, 917, 954, 966, 1008, 1048, 1104, 1113, 1127, 1134, 1176, 1179, 1219, 1242, 1272, 1288, 1296, 1323, 1431, 1449, 1484, 1512, 1568, 1572, 1656, 1696, 1764, 1834, 1863, 1908, 1932, 2016, 2096, 2208, 2226, 2254, 2268, 2352, 2358, 2438, 2484, 2544, 2576, 2592, 2597, 2646, 2751, 2862, 2898, 2968, 3013, 3024, 3144, 3312, 3339, 3381, 3528, 3537, 3657, 3668, 3726, 3816, 3864, 3969, 4192, 4293, 4347, 4452, 4508, 4536, 4704, 4716, 4876, 4968, 5088, 5152, 5194, 5292, 5502, 5724, 5796, 5936, 6026, 6048, 6288, 6419, 6624, 6678, 6762, 6943, 7056, 7074, 7314, 7336, 7452, 7632, 7728, 7791, 7938, 8253, 8533, 8586, 8694, 8904, 9016, 9039, 9072, 9432, 9752, 9936, 10017, 10143, 10388, 10584, 10611, 10971, 11004, 11448, 11592, 11872, 12052, 12576, 12838, 13041, 13356, 13524, 13886, 14112, 14148, 14628, 14672, 14904, 15264, 15456, 15582, 15876, 16506, 17066, 17172, 17388, 17808, 18032, 18078, 18144, 18864, 19257, 19504, 19872, 20034, 20286, 20776, 20829, 21091, 21168, 21222, 21942, 22008, 22896, 23184, 23373, 24104, 24759, 25599, 25676, 26082, 26712, 27048, 27117, 27772, 28296, 29256, 29344, 29808, 30051, 30429, 31164, 31752, 32913, 33012, 34132, 34344, 34776, 35616, 36064, 36156, 37728, 38514, 39008, 40068, 40572, 41552, 41658, 42182, 42336, 42444, 43884, 44016, 45792, 46368, 46746, 48208, 48601, 49518, 51198, 51352, 52164, 53424, 54096, 54234, 55544, 56592, 57771, 58512, 59616, 59731, 60102, 60858, 62328, 62487, 63273, 63504, 65826, 66024, 68264, 68688, 69552, 70119, 72312, 74277, 76797, 77028, 80136, 81144, 81351, 83104, 83316, 84364, 84888, 87768, 88032, 91287, 93492, 96416, 97202, 98739, 99036, 102396, 102704, 104328, 106848, 108192, 108468, 111088, 113184, 115542, 117024, 119462, 120204, 121716, 124656, 124974, 126546, 127008, 131652, 132048, 136528, 137376, 139104, 140238, 144624, 145803, 147637, 148554, 153594, 154056, 159689, 160272, 162288, 162702, 166632, 168728, 169776, 173313, 175536, 179193, 182574, 186984, 187461, 189819, 194404, 197478, 198072, 204792, 205408, 208656, 210357, 216936, 222176, 230391, 231084, 238924, 240408, 243432, 244053, 249312, 249948, 253092, 263304, 264096, 273056, 280476, 289248, 291606, 295274, 297108, 307188, 308112, 319378, 320544, 324576, 325404, 333264, 337456, 339552, 340207, 346626, 351072, 358386, 365148, 373968, 374922, 379638, 388808, 394956, 396144, 409584, 417312, 420714, 433872, 437409, 442911, 460782, 462168, 477848, 479067, 480816, 486864, 488106, 499896, 506184, 519939, 526608, 537579, 560952, 562383, 569457, 583212, 590548, 594216, 614376, 616224, 638756, 650808, 666528, 674912, 680414, 691173, 693252, 716772, 730296, 747936, 749844, 759276, 777616, 789912, 792288, 819168, 841428, 867744, 874818, 885822, 921564, 924336, 955696, 958134, 961632, 973728, 976212, 999792, 1012368, 1020621, 1039878, 1053216, 1075158, 1117823, 1121904, 1124766, 1138914, 1166424, 1181096, 1188432, 1228752, 1277512, 1301616, 1312227, 1328733, 1360828, 1382346, 1386504, 1433544, 1437201, 1460592, 1499688, 1518552, 1555232, 1579824, 1612737, 1682856, 1708371, 1749636, 1771644, 1843128, 1848672, 1911392, 1916268, 1952424, 1999584, 2024736, 2041242, 2079756, 2150316, 2235646, 2243808, 2249532, 2277828, 2332848, 2362192, 2376864, 2457504, 2555024, 2603232, 2624454, 2657466, 2721656, 2764692, 2773008, 2867088, 2874402, 2921184, 2999376, 3037104, 3061863, 3159648, 3225474, 3353469, 3365712, 3416742, 3499272, 3543288, 3686256, 3832536, 3904848, 3936681, 3986199, 4082484, 4159512, 4300632, 4311603, 4471292, 4499064, 4555656, 4665696, 4724384, 4838211, 5110048, 5248908, 5314932, 5443312, 5529384, 5546016, 5734176, 5748804, 5998752, 6074208, 6123726, 6450948, 6706938, 6731424, 6833484, 6998544, 7086576, 7372512, 7665072, 7809696, 7824761, 7873362, 7972398, 8164968, 8319024, 8601264, 8623206, 8942584, 8998128, 9111312, 9185589, 9676422, 10060407, 10497816, 10629864, 10886624, 11058768, 11497608, 11958597, 12247452, 12901896, 12934809, 13413876, 13666968, 13997088, 14173152, 15330144, 15649522, 15746724, 15944796, 16329936, 16638048, 17202528, 17246412, 17885168, 17996256, 18222624, 18371178, 19352844, 20120814, 20995632, 21259728, 22117536, 22995216, 23474283, 23917194, 24494904, 25803792, 25869618, 26827752, 27333936, 27556767, 30181221, 31299044, 31493448, 31889592, 32659872, 34492824, 35770336, 36742356, 38705688, 40241628, 41991264, 42519456, 45990432, 46948566, 47834388, 48989808, 51607584, 51739236, 53655504, 54667872, 55113534, 60362442, 62598088, 62986896, 63779184, 68985648, 70422849, 73484712, 77411376, 80483256, 90543663, 93897132, 95668776, 97979616, 103478472, 107311008, 110227068, 120724884, 125196176, 125973792, 127558368, 137971296, 140845698, 146969424, 154822752, 160966512, 181087326, 187794264, 191337552, 206956944, 211268547, 220454136, 241449768, 250392352, 281691396, 293938848, 321933024, 362174652, 375588528, 382675104, 413913888, 422537094, 440908272, 482899536, 563382792, 633805641, 724349304, 751177056, 845074188, 881816544, 965799072, 1126765584, 1267611282, 1448698608, 1690148376, 2253531168, 2535222564, 2897397216, 3380296752, 5070445128, 6760593504, 10140890256, 20281780512]

約数ペア:

[(1, 20281780512), (2, 10140890256), (3, 6760593504), (4, 5070445128), (6, 3380296752), (7, 2897397216), (8, 2535222564), (9, 2253531168), (12, 1690148376), (14, 1448698608), (16, 1267611282), (18, 1126765584), (21, 965799072), (23, 881816544), (24, 845074188), (27, 751177056), (28, 724349304), (32, 633805641), (36, 563382792), (42, 482899536), (46, 440908272), (48, 422537094), (49, 413913888), (53, 382675104), (54, 375588528), (56, 362174652), (63, 321933024), (69, 293938848), (72, 281691396), (81, 250392352), (84, 241449768), (92, 220454136), (96, 211268547), (98, 206956944), (106, 191337552), (108, 187794264), (112, 181087326), (126, 160966512), (131, 154822752), (138, 146969424), (144, 140845698), (147, 137971296), (159, 127558368), (161, 125973792), (162, 125196176), (168, 120724884), (184, 110227068), (189, 107311008), (196, 103478472), (207, 97979616), (212, 95668776), (216, 93897132), (224, 90543663), (252, 80483256), (262, 77411376), (276, 73484712), (288, 70422849), (294, 68985648), (318, 63779184), (322, 62986896), (324, 62598088), (336, 60362442), (368, 55113534), (371, 54667872), (378, 53655504), (392, 51739236), (393, 51607584), (414, 48989808), (424, 47834388), (432, 46948566), (441, 45990432), (477, 42519456), (483, 41991264), (504, 40241628), (524, 38705688), (552, 36742356), (567, 35770336), (588, 34492824), (621, 32659872), (636, 31889592), (644, 31493448), (648, 31299044), (672, 30181221), (736, 27556767), (742, 27333936), (756, 26827752), (784, 25869618), (786, 25803792), (828, 24494904), (848, 23917194), (864, 23474283), (882, 22995216), (917, 22117536), (954, 21259728), (966, 20995632), (1008, 20120814), (1048, 19352844), (1104, 18371178), (1113, 18222624), (1127, 17996256), (1134, 17885168), (1176, 17246412), (1179, 17202528), (1219, 16638048), (1242, 16329936), (1272, 15944796), (1288, 15746724), (1296, 15649522), (1323, 15330144), (1431, 14173152), (1449, 13997088), (1484, 13666968), (1512, 13413876), (1568, 12934809), (1572, 12901896), (1656, 12247452), (1696, 11958597), (1764, 11497608), (1834, 11058768), (1863, 10886624), (1908, 10629864), (1932, 10497816), (2016, 10060407), (2096, 9676422), (2208, 9185589), (2226, 9111312), (2254, 8998128), (2268, 8942584), (2352, 8623206), (2358, 8601264), (2438, 8319024), (2484, 8164968), (2544, 7972398), (2576, 7873362), (2592, 7824761), (2597, 7809696), (2646, 7665072), (2751, 7372512), (2862, 7086576), (2898, 6998544), (2968, 6833484), (3013, 6731424), (3024, 6706938), (3144, 6450948), (3312, 6123726), (3339, 6074208), (3381, 5998752), (3528, 5748804), (3537, 5734176), (3657, 5546016), (3668, 5529384), (3726, 5443312), (3816, 5314932), (3864, 5248908), (3969, 5110048), (4192, 4838211), (4293, 4724384), (4347, 4665696), (4452, 4555656), (4508, 4499064), (4536, 4471292), (4704, 4311603), (4716, 4300632), (4876, 4159512), (4968, 4082484), (5088, 3986199), (5152, 3936681), (5194, 3904848), (5292, 3832536), (5502, 3686256), (5724, 3543288), (5796, 3499272), (5936, 3416742), (6026, 3365712), (6048, 3353469), (6288, 3225474), (6419, 3159648), (6624, 3061863), (6678, 3037104), (6762, 2999376), (6943, 2921184), (7056, 2874402), (7074, 2867088), (7314, 2773008), (7336, 2764692), (7452, 2721656), (7632, 2657466), (7728, 2624454), (7791, 2603232), (7938, 2555024), (8253, 2457504), (8533, 2376864), (8586, 2362192), (8694, 2332848), (8904, 2277828), (9016, 2249532), (9039, 2243808), (9072, 2235646), (9432, 2150316), (9752, 2079756), (9936, 2041242), (10017, 2024736), (10143, 1999584), (10388, 1952424), (10584, 1916268), (10611, 1911392), (10971, 1848672), (11004, 1843128), (11448, 1771644), (11592, 1749636), (11872, 1708371), (12052, 1682856), (12576, 1612737), (12838, 1579824), (13041, 1555232), (13356, 1518552), (13524, 1499688), (13886, 1460592), (14112, 1437201), (14148, 1433544), (14628, 1386504), (14672, 1382346), (14904, 1360828), (15264, 1328733), (15456, 1312227), (15582, 1301616), (15876, 1277512), (16506, 1228752), (17066, 1188432), (17172, 1181096), (17388, 1166424), (17808, 1138914), (18032, 1124766), (18078, 1121904), (18144, 1117823), (18864, 1075158), (19257, 1053216), (19504, 1039878), (19872, 1020621), (20034, 1012368), (20286, 999792), (20776, 976212), (20829, 973728), (21091, 961632), (21168, 958134), (21222, 955696), (21942, 924336), (22008, 921564), (22896, 885822), (23184, 874818), (23373, 867744), (24104, 841428), (24759, 819168), (25599, 792288), (25676, 789912), (26082, 777616), (26712, 759276), (27048, 749844), (27117, 747936), (27772, 730296), (28296, 716772), (29256, 693252), (29344, 691173), (29808, 680414), (30051, 674912), (30429, 666528), (31164, 650808), (31752, 638756), (32913, 616224), (33012, 614376), (34132, 594216), (34344, 590548), (34776, 583212), (35616, 569457), (36064, 562383), (36156, 560952), (37728, 537579), (38514, 526608), (39008, 519939), (40068, 506184), (40572, 499896), (41552, 488106), (41658, 486864), (42182, 480816), (42336, 479067), (42444, 477848), (43884, 462168), (44016, 460782), (45792, 442911), (46368, 437409), (46746, 433872), (48208, 420714), (48601, 417312), (49518, 409584), (51198, 396144), (51352, 394956), (52164, 388808), (53424, 379638), (54096, 374922), (54234, 373968), (55544, 365148), (56592, 358386), (57771, 351072), (58512, 346626), (59616, 340207), (59731, 339552), (60102, 337456), (60858, 333264), (62328, 325404), (62487, 324576), (63273, 320544), (63504, 319378), (65826, 308112), (66024, 307188), (68264, 297108), (68688, 295274), (69552, 291606), (70119, 289248), (72312, 280476), (74277, 273056), (76797, 264096), (77028, 263304), (80136, 253092), (81144, 249948), (81351, 249312), (83104, 244053), (83316, 243432), (84364, 240408), (84888, 238924), (87768, 231084), (88032, 230391), (91287, 222176), (93492, 216936), (96416, 210357), (97202, 208656), (98739, 205408), (99036, 204792), (102396, 198072), (102704, 197478), (104328, 194404), (106848, 189819), (108192, 187461), (108468, 186984), (111088, 182574), (113184, 179193), (115542, 175536), (117024, 173313), (119462, 169776), (120204, 168728), (121716, 166632), (124656, 162702), (124974, 162288), (126546, 160272), (127008, 159689), (131652, 154056), (132048, 153594), (136528, 148554), (137376, 147637), (139104, 145803), (140238, 144624)]