20290468208

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11851909}}^1$

素因数の和:11852024

約数の個数: 20

約数和(自身を含む): 39680194680

約数和(自身を除く): 19389726472

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11851909, 23703818, 47407636, 94815272, 189630544, 1268154263, 2536308526, 5072617052, 10145234104, 20290468208]

約数ペア:

[(1, 20290468208), (2, 10145234104), (4, 5072617052), (8, 2536308526), (16, 1268154263), (107, 189630544), (214, 94815272), (428, 47407636), (856, 23703818), (1712, 11851909)]