2016390020

素因数分解:

$2^2\times 5^1\times {\mathrm{100819501}}^1$

素因数の和:100819510

約数の個数: 12

約数和(自身を含む): 4234419084

約数和(自身を除く): 2218029064

約数列:

[1, 2, 4, 5, 10, 20, 100819501, 201639002, 403278004, 504097505, 1008195010, 2016390020]

約数ペア:

[(1, 2016390020), (2, 1008195010), (4, 504097505), (5, 403278004), (10, 201639002), (20, 100819501)]