20899155

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9227}}^1$

素因数の和:9386

約数の個数: 16

約数和(自身を含む): 33663744

約数和(自身を除く): 12764589

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9227, 27681, 46135, 138405, 1393277, 4179831, 6966385, 20899155]

約数ペア:

[(1, 20899155), (3, 6966385), (5, 4179831), (15, 1393277), (151, 138405), (453, 46135), (755, 27681), (2265, 9227)]