20784781824

素因数分解:

$2^9\times 3^1\times {\mathrm{1627}}^1\times {\mathrm{8317}}^1$

素因数の和:9965

約数の個数: 80

約数和(自身を含む): 55412652768

約数和(自身を除く): 34627870944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 1627, 3254, 4881, 6508, 8317, 9762, 13016, 16634, 19524, 24951, 26032, 33268, 39048, 49902, 52064, 66536, 78096, 99804, 104128, 133072, 156192, 199608, 208256, 266144, 312384, 399216, 416512, 532288, 624768, 798432, 833024, 1064576, 1249536, 1596864, 2129152, 2499072, 3193728, 4258304, 6387456, 12774912, 13531759, 27063518, 40595277, 54127036, 81190554, 108254072, 162381108, 216508144, 324762216, 433016288, 649524432, 866032576, 1299048864, 1732065152, 2598097728, 3464130304, 5196195456, 6928260608, 10392390912, 20784781824]

約数ペア:

[(1, 20784781824), (2, 10392390912), (3, 6928260608), (4, 5196195456), (6, 3464130304), (8, 2598097728), (12, 1732065152), (16, 1299048864), (24, 866032576), (32, 649524432), (48, 433016288), (64, 324762216), (96, 216508144), (128, 162381108), (192, 108254072), (256, 81190554), (384, 54127036), (512, 40595277), (768, 27063518), (1536, 13531759), (1627, 12774912), (3254, 6387456), (4881, 4258304), (6508, 3193728), (8317, 2499072), (9762, 2129152), (13016, 1596864), (16634, 1249536), (19524, 1064576), (24951, 833024), (26032, 798432), (33268, 624768), (39048, 532288), (49902, 416512), (52064, 399216), (66536, 312384), (78096, 266144), (99804, 208256), (104128, 199608), (133072, 156192)]