20512521472

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{793337}}^1$

素因数の和:793454

約数の個数: 36

約数和(自身を含む): 41350363236

約数和(自身を除く): 20837841764

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 808, 1616, 3232, 6464, 12928, 25856, 793337, 1586674, 3173348, 6346696, 12693392, 25386784, 50773568, 80127037, 101547136, 160254074, 203094272, 320508148, 641016296, 1282032592, 2564065184, 5128130368, 10256260736, 20512521472]

約数ペア:

[(1, 20512521472), (2, 10256260736), (4, 5128130368), (8, 2564065184), (16, 1282032592), (32, 641016296), (64, 320508148), (101, 203094272), (128, 160254074), (202, 101547136), (256, 80127037), (404, 50773568), (808, 25386784), (1616, 12693392), (3232, 6346696), (6464, 3173348), (12928, 1586674), (25856, 793337)]