20090210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287003}}^1$

素因数の和:287017

約数の個数: 16

約数和(自身を含む): 41328576

約数和(自身を除く): 21238366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287003, 574006, 1435015, 2009021, 2870030, 4018042, 10045105, 20090210]

約数ペア:

[(1, 20090210), (2, 10045105), (5, 4018042), (7, 2870030), (10, 2009021), (14, 1435015), (35, 574006), (70, 287003)]