220168420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{478627}}^1$

素因数の和:478659

約数の個数: 24

約数和(自身を含む): 482457024

約数和(自身を除く): 262288604

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 478627, 957254, 1914508, 2393135, 4786270, 9572540, 11008421, 22016842, 44033684, 55042105, 110084210, 220168420]

約数ペア:

[(1, 220168420), (2, 110084210), (4, 55042105), (5, 44033684), (10, 22016842), (20, 11008421), (23, 9572540), (46, 4786270), (92, 2393135), (115, 1914508), (230, 957254), (460, 478627)]