20104431

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2662

約数の個数: 16

約数和(自身を含む): 27929088

約数和(自身を除く): 7824657

約数列:

[1, 3, 37, 71, 111, 213, 2551, 2627, 7653, 7881, 94387, 181121, 283161, 543363, 6701477, 20104431]

約数ペア:

[(1, 20104431), (3, 6701477), (37, 543363), (71, 283161), (111, 181121), (213, 94387), (2551, 7881), (2627, 7653)]