20784873144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{8839}}^1\times {\mathrm{13997}}^1$

素因数の和:22852

約数の個数: 64

約数和(自身を含む): 59396313600

約数和(自身を除く): 38611440456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 8839, 13997, 17678, 26517, 27994, 35356, 41991, 53034, 55988, 61873, 70712, 83982, 97979, 106068, 111976, 123746, 167964, 185619, 195958, 212136, 247492, 293937, 335928, 371238, 391916, 494984, 587874, 742476, 783832, 1175748, 1484952, 2351496, 123719483, 247438966, 371158449, 494877932, 742316898, 866036381, 989755864, 1484633796, 1732072762, 2598109143, 2969267592, 3464145524, 5196218286, 6928291048, 10392436572, 20784873144]

約数ペア:

[(1, 20784873144), (2, 10392436572), (3, 6928291048), (4, 5196218286), (6, 3464145524), (7, 2969267592), (8, 2598109143), (12, 1732072762), (14, 1484633796), (21, 989755864), (24, 866036381), (28, 742316898), (42, 494877932), (56, 371158449), (84, 247438966), (168, 123719483), (8839, 2351496), (13997, 1484952), (17678, 1175748), (26517, 783832), (27994, 742476), (35356, 587874), (41991, 494984), (53034, 391916), (55988, 371238), (61873, 335928), (70712, 293937), (83982, 247492), (97979, 212136), (106068, 195958), (111976, 185619), (123746, 167964)]