20411487

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{3917}}^1$

素因数の和:4119

約数の個数: 16

約数和(自身を含む): 30403680

約数和(自身を除く): 9992193

約数列:

[1, 3, 9, 27, 193, 579, 1737, 3917, 5211, 11751, 35253, 105759, 755981, 2267943, 6803829, 20411487]

約数ペア:

[(1, 20411487), (3, 6803829), (9, 2267943), (27, 755981), (193, 105759), (579, 35253), (1737, 11751), (3917, 5211)]