20193812740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9996937}}^1$

素因数の和:9997047

約数の個数: 24

約数和(自身を含む): 42826882392

約数和(自身を除く): 22633069652

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 9996937, 19993874, 39987748, 49984685, 99969370, 199938740, 1009690637, 2019381274, 4038762548, 5048453185, 10096906370, 20193812740]

約数ペア:

[(1, 20193812740), (2, 10096906370), (4, 5048453185), (5, 4038762548), (10, 2019381274), (20, 1009690637), (101, 199938740), (202, 99969370), (404, 49984685), (505, 39987748), (1010, 19993874), (2020, 9996937)]