20454945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{194809}}^1$

素因数の和:194824

約数の個数: 16

約数和(自身を含む): 37403520

約数和(自身を除く): 16948575

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 194809, 584427, 974045, 1363663, 2922135, 4090989, 6818315, 20454945]

約数ペア:

[(1, 20454945), (3, 6818315), (5, 4090989), (7, 2922135), (15, 1363663), (21, 974045), (35, 584427), (105, 194809)]