20288529

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8443}}^1$

素因数の和:8541

約数の個数: 16

約数和(自身を含む): 30398400

約数和(自身を除く): 10109871

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8443, 25329, 75987, 227961, 751427, 2254281, 6762843, 20288529]

約数ペア:

[(1, 20288529), (3, 6762843), (9, 2254281), (27, 751427), (89, 227961), (267, 75987), (801, 25329), (2403, 8443)]