20149570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287851}}^1$

素因数の和:287865

約数の個数: 16

約数和(自身を含む): 41450688

約数和(自身を除く): 21301118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287851, 575702, 1439255, 2014957, 2878510, 4029914, 10074785, 20149570]

約数ペア:

[(1, 20149570), (2, 10074785), (5, 4029914), (7, 2878510), (10, 2014957), (14, 1439255), (35, 575702), (70, 287851)]