822020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 1802304

約数和(自身を除く): 980284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1787, 3574, 7148, 8935, 17870, 35740, 41101, 82202, 164404, 205505, 411010, 822020]

約数ペア:

[(1, 822020), (2, 411010), (4, 205505), (5, 164404), (10, 82202), (20, 41101), (23, 35740), (46, 17870), (92, 8935), (115, 7148), (230, 3574), (460, 1787)]