20051891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 2109709

約数列:

[1, 17, 37, 71, 449, 629, 1207, 2627, 7633, 16613, 31879, 44659, 282421, 541943, 1179523, 20051891]

約数ペア:

[(1, 20051891), (17, 1179523), (37, 541943), (71, 282421), (449, 44659), (629, 31879), (1207, 16613), (2627, 7633)]