20293521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{599}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8045679

約数列:

[1, 3, 23, 69, 491, 599, 1473, 1797, 11293, 13777, 33879, 41331, 294109, 882327, 6764507, 20293521]

約数ペア:

[(1, 20293521), (3, 6764507), (23, 882327), (69, 294109), (491, 41331), (599, 33879), (1473, 13777), (1797, 11293)]