20660427

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{673}}^1$

素因数の和:1064

約数の個数: 20

約数和(自身を含む): 30990520

約数和(自身を除く): 10330093

約数列:

[1, 3, 9, 27, 81, 379, 673, 1137, 2019, 3411, 6057, 10233, 18171, 30699, 54513, 255067, 765201, 2295603, 6886809, 20660427]

約数ペア:

[(1, 20660427), (3, 6886809), (9, 2295603), (27, 765201), (81, 255067), (379, 54513), (673, 30699), (1137, 18171), (2019, 10233), (3411, 6057)]