20138230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287689}}^1$

素因数の和:287703

約数の個数: 16

約数和(自身を含む): 41427360

約数和(自身を除く): 21289130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287689, 575378, 1438445, 2013823, 2876890, 4027646, 10069115, 20138230]

約数ペア:

[(1, 20138230), (2, 10069115), (5, 4027646), (7, 2876890), (10, 2013823), (14, 1438445), (35, 575378), (70, 287689)]