221162020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{480787}}^1$

素因数の和:480819

約数の個数: 24

約数和(自身を含む): 484634304

約数和(自身を除く): 263472284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 480787, 961574, 1923148, 2403935, 4807870, 9615740, 11058101, 22116202, 44232404, 55290505, 110581010, 221162020]

約数ペア:

[(1, 221162020), (2, 110581010), (4, 55290505), (5, 44232404), (10, 22116202), (20, 11058101), (23, 9615740), (46, 4807870), (92, 2403935), (115, 1923148), (230, 961574), (460, 480787)]