20216050

素因数分解:

$2^1\times 5^2\times {\mathrm{404321}}^1$

素因数の和:404333

約数の個数: 12

約数和(自身を含む): 37601946

約数和(自身を除く): 17385896

約数列:

[1, 2, 5, 10, 25, 50, 404321, 808642, 2021605, 4043210, 10108025, 20216050]

約数ペア:

[(1, 20216050), (2, 10108025), (5, 4043210), (10, 2021605), (25, 808642), (50, 404321)]