20333078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4909}}^1$

素因数の和:5039

約数の個数: 16

約数和(自身を含む): 32406000

約数和(自身を除く): 12072922

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4909, 9818, 93271, 186542, 535081, 1070162, 10166539, 20333078]

約数ペア:

[(1, 20333078), (2, 10166539), (19, 1070162), (38, 535081), (109, 186542), (218, 93271), (2071, 9818), (4142, 4909)]