20512338740

素因数分解:

$2^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{678767}}^1$

素因数の和:680287

約数の個数: 24

約数和(自身を含む): 43104483072

約数和(自身を除く): 22592144332

約数列:

[1, 2, 4, 5, 10, 20, 1511, 3022, 6044, 7555, 15110, 30220, 678767, 1357534, 2715068, 3393835, 6787670, 13575340, 1025616937, 2051233874, 4102467748, 5128084685, 10256169370, 20512338740]

約数ペア:

[(1, 20512338740), (2, 10256169370), (4, 5128084685), (5, 4102467748), (10, 2051233874), (20, 1025616937), (1511, 13575340), (3022, 6787670), (6044, 3393835), (7555, 2715068), (15110, 1357534), (30220, 678767)]