20214717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3121}}^1$

素因数の和:3268

約数の個数: 16

約数和(自身を含む): 28772352

約数和(自身を除く): 8557635

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3121, 6477, 9363, 53057, 159171, 396367, 1189101, 6738239, 20214717]

約数ペア:

[(1, 20214717), (3, 6738239), (17, 1189101), (51, 396367), (127, 159171), (381, 53057), (2159, 9363), (3121, 6477)]