20121747536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:562

約数の個数: 240

約数和(自身を含む): 48678312960

約数和(自身を除く): 28556565424

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 47, 68, 76, 88, 94, 136, 152, 176, 187, 188, 209, 272, 289, 304, 323, 374, 376, 418, 443, 517, 578, 646, 748, 752, 799, 836, 886, 893, 1034, 1156, 1292, 1496, 1598, 1672, 1772, 1786, 2068, 2312, 2584, 2992, 3179, 3196, 3344, 3544, 3553, 3572, 4136, 4624, 4873, 5168, 5491, 6358, 6392, 7088, 7106, 7144, 7531, 8272, 8417, 8789, 9746, 9823, 10982, 12716, 12784, 13583, 14212, 14288, 15062, 15181, 16834, 17578, 19492, 19646, 20821, 21964, 25432, 27166, 28424, 30124, 30362, 33668, 35156, 38984, 39292, 41642, 43928, 50864, 54332, 56848, 60248, 60401, 60724, 67336, 70312, 77968, 78584, 82841, 83284, 87856, 92587, 108664, 120496, 120802, 121448, 128027, 134672, 140624, 143089, 149413, 157168, 165682, 166568, 166991, 185174, 217328, 229031, 241604, 242896, 256054, 258077, 286178, 298826, 331364, 333136, 333982, 353957, 370348, 395599, 458062, 483208, 512108, 516154, 572356, 597652, 662728, 667964, 707914, 740696, 791198, 916124, 966416, 1024216, 1032308, 1144712, 1195304, 1325456, 1335928, 1408297, 1415828, 1481392, 1573979, 1582396, 1832248, 2048432, 2064616, 2289424, 2390608, 2432513, 2671856, 2816594, 2831656, 2838847, 3147958, 3164792, 3664496, 3893527, 4129232, 4351589, 4865026, 5633188, 5663312, 5677694, 6017269, 6295916, 6329584, 6725183, 7787054, 8703178, 9730052, 11266376, 11355388, 12034538, 12591832, 13450366, 15574108, 17406356, 19460104, 22532752, 22710776, 24069076, 25183664, 26757643, 26900732, 31148216, 34812712, 38920208, 45421552, 48138152, 53515286, 53801464, 62296432, 66189959, 69625424, 73977013, 96276304, 107030572, 107602928, 114328111, 132379918, 147954026, 214061144, 228656222, 264759836, 295908052, 428122288, 457312444, 529519672, 591816104, 914624888, 1059039344, 1183632208, 1257609221, 1829249776, 2515218442, 5030436884, 10060873768, 20121747536]

約数ペア:

[(1, 20121747536), (2, 10060873768), (4, 5030436884), (8, 2515218442), (11, 1829249776), (16, 1257609221), (17, 1183632208), (19, 1059039344), (22, 914624888), (34, 591816104), (38, 529519672), (44, 457312444), (47, 428122288), (68, 295908052), (76, 264759836), (88, 228656222), (94, 214061144), (136, 147954026), (152, 132379918), (176, 114328111), (187, 107602928), (188, 107030572), (209, 96276304), (272, 73977013), (289, 69625424), (304, 66189959), (323, 62296432), (374, 53801464), (376, 53515286), (418, 48138152), (443, 45421552), (517, 38920208), (578, 34812712), (646, 31148216), (748, 26900732), (752, 26757643), (799, 25183664), (836, 24069076), (886, 22710776), (893, 22532752), (1034, 19460104), (1156, 17406356), (1292, 15574108), (1496, 13450366), (1598, 12591832), (1672, 12034538), (1772, 11355388), (1786, 11266376), (2068, 9730052), (2312, 8703178), (2584, 7787054), (2992, 6725183), (3179, 6329584), (3196, 6295916), (3344, 6017269), (3544, 5677694), (3553, 5663312), (3572, 5633188), (4136, 4865026), (4624, 4351589), (4873, 4129232), (5168, 3893527), (5491, 3664496), (6358, 3164792), (6392, 3147958), (7088, 2838847), (7106, 2831656), (7144, 2816594), (7531, 2671856), (8272, 2432513), (8417, 2390608), (8789, 2289424), (9746, 2064616), (9823, 2048432), (10982, 1832248), (12716, 1582396), (12784, 1573979), (13583, 1481392), (14212, 1415828), (14288, 1408297), (15062, 1335928), (15181, 1325456), (16834, 1195304), (17578, 1144712), (19492, 1032308), (19646, 1024216), (20821, 966416), (21964, 916124), (25432, 791198), (27166, 740696), (28424, 707914), (30124, 667964), (30362, 662728), (33668, 597652), (35156, 572356), (38984, 516154), (39292, 512108), (41642, 483208), (43928, 458062), (50864, 395599), (54332, 370348), (56848, 353957), (60248, 333982), (60401, 333136), (60724, 331364), (67336, 298826), (70312, 286178), (77968, 258077), (78584, 256054), (82841, 242896), (83284, 241604), (87856, 229031), (92587, 217328), (108664, 185174), (120496, 166991), (120802, 166568), (121448, 165682), (128027, 157168), (134672, 149413), (140624, 143089)]