20573640304

素因数分解:

$2^4\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{168991}}^1$

素因数の和:170093

約数の個数: 40

約数和(自身を含む): 45598097408

約数和(自身を除く): 25024457104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1087, 2174, 4348, 7609, 8696, 15218, 17392, 30436, 60872, 121744, 168991, 337982, 675964, 1182937, 1351928, 2365874, 2703856, 4731748, 9463496, 18926992, 183693217, 367386434, 734772868, 1285852519, 1469545736, 2571705038, 2939091472, 5143410076, 10286820152, 20573640304]

約数ペア:

[(1, 20573640304), (2, 10286820152), (4, 5143410076), (7, 2939091472), (8, 2571705038), (14, 1469545736), (16, 1285852519), (28, 734772868), (56, 367386434), (112, 183693217), (1087, 18926992), (2174, 9463496), (4348, 4731748), (7609, 2703856), (8696, 2365874), (15218, 1351928), (17392, 1182937), (30436, 675964), (60872, 337982), (121744, 168991)]