20512456912

素因数分解:

$2^4\times {\mathrm{881}}^1\times {\mathrm{1455197}}^1$

素因数の和:1456086

約数の個数: 20

約数和(自身を含む): 39788023716

約数和(自身を除く): 19275566804

約数列:

[1, 2, 4, 8, 16, 881, 1762, 3524, 7048, 14096, 1455197, 2910394, 5820788, 11641576, 23283152, 1282028557, 2564057114, 5128114228, 10256228456, 20512456912]

約数ペア:

[(1, 20512456912), (2, 10256228456), (4, 5128114228), (8, 2564057114), (16, 1282028557), (881, 23283152), (1762, 11641576), (3524, 5820788), (7048, 2910394), (14096, 1455197)]