20440084

素因数分解:

$2^2\times 7^1\times {\mathrm{730003}}^1$

素因数の和:730014

約数の個数: 12

約数和(自身を含む): 40880224

約数和(自身を除く): 20440140

約数列:

[1, 2, 4, 7, 14, 28, 730003, 1460006, 2920012, 5110021, 10220042, 20440084]

約数ペア:

[(1, 20440084), (2, 10220042), (4, 5110021), (7, 2920012), (14, 1460006), (28, 730003)]