2020106960

素因数分解:

$2^4\times 5^1\times {\mathrm{25251337}}^1$

素因数の和:25251350

約数の個数: 20

約数和(自身を含む): 4696748868

約数和(自身を除く): 2676641908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25251337, 50502674, 101005348, 126256685, 202010696, 252513370, 404021392, 505026740, 1010053480, 2020106960]

約数ペア:

[(1, 2020106960), (2, 1010053480), (4, 505026740), (5, 404021392), (8, 252513370), (10, 202010696), (16, 126256685), (20, 101005348), (40, 50502674), (80, 25251337)]