20289702938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{871027}}^1$

素因数の和:871661

約数の個数: 16

約数和(自身を含む): 32088671520

約数和(自身を除く): 11798968582

約数列:

[1, 2, 19, 38, 613, 1226, 11647, 23294, 871027, 1742054, 16549513, 33099026, 533939551, 1067879102, 10144851469, 20289702938]

約数ペア:

[(1, 20289702938), (2, 10144851469), (19, 1067879102), (38, 533939551), (613, 33099026), (1226, 16549513), (11647, 1742054), (23294, 871027)]