20167991718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1871}}^1$

素因数の和:2418

約数の個数: 128

約数和(自身を含む): 50514886656

約数和(自身を除く): 30346894938

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 93, 102, 119, 186, 217, 238, 357, 434, 487, 527, 651, 714, 974, 1054, 1302, 1461, 1581, 1871, 2922, 3162, 3409, 3689, 3742, 5613, 6818, 7378, 8279, 10227, 11067, 11226, 13097, 15097, 16558, 20454, 22134, 24837, 26194, 30194, 31807, 39291, 45291, 49674, 57953, 58001, 63614, 78582, 90582, 95421, 105679, 115906, 116002, 173859, 174003, 190842, 211358, 222649, 256649, 317037, 347718, 348006, 406007, 445298, 513298, 634074, 667947, 769947, 812014, 911177, 986017, 1218021, 1335894, 1539894, 1796543, 1822354, 1972034, 2436042, 2733531, 2958051, 3593086, 5389629, 5467062, 5916102, 6378239, 6902119, 10779258, 12756478, 13804238, 15490009, 19134717, 20706357, 28246487, 30980018, 38269434, 41412714, 46470027, 56492974, 84739461, 92940054, 108430063, 169478922, 197725409, 216860126, 325290189, 395450818, 480190279, 593176227, 650580378, 960380558, 1186352454, 1440570837, 2881141674, 3361331953, 6722663906, 10083995859, 20167991718]

約数ペア:

[(1, 20167991718), (2, 10083995859), (3, 6722663906), (6, 3361331953), (7, 2881141674), (14, 1440570837), (17, 1186352454), (21, 960380558), (31, 650580378), (34, 593176227), (42, 480190279), (51, 395450818), (62, 325290189), (93, 216860126), (102, 197725409), (119, 169478922), (186, 108430063), (217, 92940054), (238, 84739461), (357, 56492974), (434, 46470027), (487, 41412714), (527, 38269434), (651, 30980018), (714, 28246487), (974, 20706357), (1054, 19134717), (1302, 15490009), (1461, 13804238), (1581, 12756478), (1871, 10779258), (2922, 6902119), (3162, 6378239), (3409, 5916102), (3689, 5467062), (3742, 5389629), (5613, 3593086), (6818, 2958051), (7378, 2733531), (8279, 2436042), (10227, 1972034), (11067, 1822354), (11226, 1796543), (13097, 1539894), (15097, 1335894), (16558, 1218021), (20454, 986017), (22134, 911177), (24837, 812014), (26194, 769947), (30194, 667947), (31807, 634074), (39291, 513298), (45291, 445298), (49674, 406007), (57953, 348006), (58001, 347718), (63614, 317037), (78582, 256649), (90582, 222649), (95421, 211358), (105679, 190842), (115906, 174003), (116002, 173859)]