20187054970

素因数分解:

$2^1\times 5^1\times {\mathrm{5003}}^1\times {\mathrm{403499}}^1$

素因数の和:408509

約数の個数: 16

約数和(自身を含む): 36344052000

約数和(自身を除く): 16156997030

約数列:

[1, 2, 5, 10, 5003, 10006, 25015, 50030, 403499, 806998, 2017495, 4034990, 2018705497, 4037410994, 10093527485, 20187054970]

約数ペア:

[(1, 20187054970), (2, 10093527485), (5, 4037410994), (10, 2018705497), (5003, 4034990), (10006, 2017495), (25015, 806998), (50030, 403499)]