20538867

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1867}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 28991360

約数和(自身を除く): 8452493

約数列:

[1, 3, 19, 57, 193, 579, 1867, 3667, 5601, 11001, 35473, 106419, 360331, 1080993, 6846289, 20538867]

約数ペア:

[(1, 20538867), (3, 6846289), (19, 1080993), (57, 360331), (193, 106419), (579, 35473), (1867, 11001), (3667, 5601)]