20508135

素因数分解:

$3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4057}}^1$

素因数の和:4402

約数の個数: 16

約数和(自身を含む): 32918496

約数和(自身を除く): 12410361

約数列:

[1, 3, 5, 15, 337, 1011, 1685, 4057, 5055, 12171, 20285, 60855, 1367209, 4101627, 6836045, 20508135]

約数ペア:

[(1, 20508135), (3, 6836045), (5, 4101627), (15, 1367209), (337, 60855), (1011, 20285), (1685, 12171), (4057, 5055)]