20591097

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1571}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 29201472

約数和(自身を除く): 8610375

約数列:

[1, 3, 17, 51, 257, 771, 1571, 4369, 4713, 13107, 26707, 80121, 403747, 1211241, 6863699, 20591097]

約数ペア:

[(1, 20591097), (3, 6863699), (17, 1211241), (51, 403747), (257, 80121), (771, 26707), (1571, 13107), (4369, 4713)]