8642020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18787}}^1$

素因数の和:18819

約数の個数: 24

約数和(自身を含む): 18938304

約数和(自身を除く): 10296284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 18787, 37574, 75148, 93935, 187870, 375740, 432101, 864202, 1728404, 2160505, 4321010, 8642020]

約数ペア:

[(1, 8642020), (2, 4321010), (4, 2160505), (5, 1728404), (10, 864202), (20, 432101), (23, 375740), (46, 187870), (92, 93935), (115, 75148), (230, 37574), (460, 18787)]