20979827904

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:843

約数の個数: 224

約数和(自身を含む): 64266080256

約数和(自身を除く): 43286252352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 167, 168, 192, 211, 224, 334, 336, 422, 443, 448, 501, 633, 668, 672, 844, 886, 1002, 1169, 1266, 1329, 1336, 1344, 1477, 1688, 1772, 2004, 2338, 2532, 2658, 2672, 2954, 3101, 3376, 3507, 3544, 4008, 4431, 4676, 5064, 5316, 5344, 5908, 6202, 6752, 7014, 7088, 8016, 8862, 9303, 9352, 10128, 10632, 10688, 11816, 12404, 13504, 14028, 14176, 16032, 17724, 18606, 18704, 20256, 21264, 23632, 24808, 28056, 28352, 32064, 35237, 35448, 37212, 37408, 40512, 42528, 47264, 49616, 56112, 70474, 70896, 73981, 74424, 74816, 85056, 93473, 94528, 99232, 105711, 112224, 140948, 141792, 147962, 148848, 186946, 198464, 211422, 221943, 224448, 246659, 280419, 281896, 283584, 295924, 297696, 373892, 422844, 443886, 493318, 517867, 560838, 563792, 591848, 595392, 654311, 739977, 747784, 845688, 887772, 986636, 1035734, 1121676, 1127584, 1183696, 1308622, 1479954, 1495568, 1553601, 1691376, 1775544, 1962933, 1973272, 2071468, 2243352, 2255168, 2367392, 2617244, 2959908, 2991136, 3107202, 3382752, 3551088, 3925866, 3946544, 4142936, 4486704, 4734784, 5234488, 5919816, 5982272, 6214404, 6765504, 7102176, 7851732, 7893088, 8285872, 8973408, 10468976, 11839632, 12428808, 14204352, 15609991, 15703464, 15786176, 16571744, 17946816, 20937952, 23679264, 24857616, 31219982, 31406928, 33143488, 41875904, 46829973, 47358528, 49715232, 62439964, 62813856, 93659946, 99430464, 109269937, 124879928, 125627712, 187319892, 218539874, 249759856, 327809811, 374639784, 437079748, 499519712, 655619622, 749279568, 874159496, 999039424, 1311239244, 1498559136, 1748318992, 2622478488, 2997118272, 3496637984, 5244956976, 6993275968, 10489913952, 20979827904]

約数ペア:

[(1, 20979827904), (2, 10489913952), (3, 6993275968), (4, 5244956976), (6, 3496637984), (7, 2997118272), (8, 2622478488), (12, 1748318992), (14, 1498559136), (16, 1311239244), (21, 999039424), (24, 874159496), (28, 749279568), (32, 655619622), (42, 499519712), (48, 437079748), (56, 374639784), (64, 327809811), (84, 249759856), (96, 218539874), (112, 187319892), (167, 125627712), (168, 124879928), (192, 109269937), (211, 99430464), (224, 93659946), (334, 62813856), (336, 62439964), (422, 49715232), (443, 47358528), (448, 46829973), (501, 41875904), (633, 33143488), (668, 31406928), (672, 31219982), (844, 24857616), (886, 23679264), (1002, 20937952), (1169, 17946816), (1266, 16571744), (1329, 15786176), (1336, 15703464), (1344, 15609991), (1477, 14204352), (1688, 12428808), (1772, 11839632), (2004, 10468976), (2338, 8973408), (2532, 8285872), (2658, 7893088), (2672, 7851732), (2954, 7102176), (3101, 6765504), (3376, 6214404), (3507, 5982272), (3544, 5919816), (4008, 5234488), (4431, 4734784), (4676, 4486704), (5064, 4142936), (5316, 3946544), (5344, 3925866), (5908, 3551088), (6202, 3382752), (6752, 3107202), (7014, 2991136), (7088, 2959908), (8016, 2617244), (8862, 2367392), (9303, 2255168), (9352, 2243352), (10128, 2071468), (10632, 1973272), (10688, 1962933), (11816, 1775544), (12404, 1691376), (13504, 1553601), (14028, 1495568), (14176, 1479954), (16032, 1308622), (17724, 1183696), (18606, 1127584), (18704, 1121676), (20256, 1035734), (21264, 986636), (23632, 887772), (24808, 845688), (28056, 747784), (28352, 739977), (32064, 654311), (35237, 595392), (35448, 591848), (37212, 563792), (37408, 560838), (40512, 517867), (42528, 493318), (47264, 443886), (49616, 422844), (56112, 373892), (70474, 297696), (70896, 295924), (73981, 283584), (74424, 281896), (74816, 280419), (85056, 246659), (93473, 224448), (94528, 221943), (99232, 211422), (105711, 198464), (112224, 186946), (140948, 148848), (141792, 147962)]