20685283584

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:1005

約数の個数: 288

約数和(自身を含む): 66543482880

約数和(自身を除く): 45858199296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 128, 133, 152, 168, 192, 224, 228, 256, 266, 304, 313, 336, 384, 399, 448, 456, 532, 608, 626, 647, 672, 768, 798, 896, 912, 939, 1064, 1216, 1252, 1294, 1344, 1596, 1792, 1824, 1878, 1941, 2128, 2191, 2432, 2504, 2588, 2688, 3192, 3648, 3756, 3882, 4256, 4382, 4529, 4864, 5008, 5176, 5376, 5947, 6384, 6573, 7296, 7512, 7764, 8512, 8764, 9058, 10016, 10352, 11894, 12293, 12768, 13146, 13587, 14592, 15024, 15528, 17024, 17528, 17841, 18116, 20032, 20704, 23788, 24586, 25536, 26292, 27174, 30048, 31056, 34048, 35056, 35682, 36232, 36879, 40064, 41408, 41629, 47576, 49172, 51072, 52584, 54348, 60096, 62112, 70112, 71364, 72464, 73758, 80128, 82816, 83258, 86051, 95152, 98344, 102144, 105168, 108696, 120192, 124224, 124887, 140224, 142728, 144928, 147516, 165632, 166516, 172102, 190304, 196688, 202511, 210336, 217392, 240384, 248448, 249774, 258153, 280448, 285456, 289856, 295032, 333032, 344204, 380608, 393376, 405022, 420672, 434784, 496896, 499548, 516306, 560896, 570912, 579712, 590064, 607533, 666064, 688408, 761216, 786752, 810044, 841344, 869568, 999096, 1032612, 1141824, 1159424, 1180128, 1215066, 1332128, 1376816, 1417577, 1522432, 1573504, 1620088, 1682688, 1739136, 1998192, 2065224, 2283648, 2360256, 2430132, 2664256, 2753632, 2835154, 3147008, 3240176, 3478272, 3847709, 3996384, 4130448, 4252731, 4567296, 4720512, 4860264, 5328512, 5507264, 5670308, 6480352, 7695418, 7992768, 8260896, 8505462, 9441024, 9720528, 10657024, 11014528, 11340616, 11543127, 12960704, 15390836, 15985536, 16521792, 17010924, 19441056, 22029056, 22681232, 23086254, 25921408, 26933963, 30781672, 31971072, 33043584, 34021848, 38882112, 45362464, 46172508, 51842816, 53867926, 61563344, 66087168, 68043696, 77764224, 80801889, 90724928, 92345016, 107735852, 123126688, 136087392, 155528448, 161603778, 181449856, 184690032, 215471704, 246253376, 272174784, 323207556, 362899712, 369380064, 430943408, 492506752, 544349568, 646415112, 738760128, 861886816, 985013504, 1088699136, 1292830224, 1477520256, 1723773632, 2585660448, 2955040512, 3447547264, 5171320896, 6895094528, 10342641792, 20685283584]

約数ペア:

[(1, 20685283584), (2, 10342641792), (3, 6895094528), (4, 5171320896), (6, 3447547264), (7, 2955040512), (8, 2585660448), (12, 1723773632), (14, 1477520256), (16, 1292830224), (19, 1088699136), (21, 985013504), (24, 861886816), (28, 738760128), (32, 646415112), (38, 544349568), (42, 492506752), (48, 430943408), (56, 369380064), (57, 362899712), (64, 323207556), (76, 272174784), (84, 246253376), (96, 215471704), (112, 184690032), (114, 181449856), (128, 161603778), (133, 155528448), (152, 136087392), (168, 123126688), (192, 107735852), (224, 92345016), (228, 90724928), (256, 80801889), (266, 77764224), (304, 68043696), (313, 66087168), (336, 61563344), (384, 53867926), (399, 51842816), (448, 46172508), (456, 45362464), (532, 38882112), (608, 34021848), (626, 33043584), (647, 31971072), (672, 30781672), (768, 26933963), (798, 25921408), (896, 23086254), (912, 22681232), (939, 22029056), (1064, 19441056), (1216, 17010924), (1252, 16521792), (1294, 15985536), (1344, 15390836), (1596, 12960704), (1792, 11543127), (1824, 11340616), (1878, 11014528), (1941, 10657024), (2128, 9720528), (2191, 9441024), (2432, 8505462), (2504, 8260896), (2588, 7992768), (2688, 7695418), (3192, 6480352), (3648, 5670308), (3756, 5507264), (3882, 5328512), (4256, 4860264), (4382, 4720512), (4529, 4567296), (4864, 4252731), (5008, 4130448), (5176, 3996384), (5376, 3847709), (5947, 3478272), (6384, 3240176), (6573, 3147008), (7296, 2835154), (7512, 2753632), (7764, 2664256), (8512, 2430132), (8764, 2360256), (9058, 2283648), (10016, 2065224), (10352, 1998192), (11894, 1739136), (12293, 1682688), (12768, 1620088), (13146, 1573504), (13587, 1522432), (14592, 1417577), (15024, 1376816), (15528, 1332128), (17024, 1215066), (17528, 1180128), (17841, 1159424), (18116, 1141824), (20032, 1032612), (20704, 999096), (23788, 869568), (24586, 841344), (25536, 810044), (26292, 786752), (27174, 761216), (30048, 688408), (31056, 666064), (34048, 607533), (35056, 590064), (35682, 579712), (36232, 570912), (36879, 560896), (40064, 516306), (41408, 499548), (41629, 496896), (47576, 434784), (49172, 420672), (51072, 405022), (52584, 393376), (54348, 380608), (60096, 344204), (62112, 333032), (70112, 295032), (71364, 289856), (72464, 285456), (73758, 280448), (80128, 258153), (82816, 249774), (83258, 248448), (86051, 240384), (95152, 217392), (98344, 210336), (102144, 202511), (105168, 196688), (108696, 190304), (120192, 172102), (124224, 166516), (124887, 165632), (140224, 147516), (142728, 144928)]