20998251

素因数分解:

$3^3\times {\mathrm{733}}^1\times {\mathrm{1061}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 31180320

約数和(自身を除く): 10182069

約数列:

[1, 3, 9, 27, 733, 1061, 2199, 3183, 6597, 9549, 19791, 28647, 777713, 2333139, 6999417, 20998251]

約数ペア:

[(1, 20998251), (3, 6999417), (9, 2333139), (27, 777713), (733, 28647), (1061, 19791), (2199, 9549), (3183, 6597)]