20001471

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50129}}^1$

素因数の和:50158

約数の個数: 16

約数和(自身を含む): 32083200

約数和(自身を除く): 12081729

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50129, 150387, 350903, 952451, 1052709, 2857353, 6667157, 20001471]

約数ペア:

[(1, 20001471), (3, 6667157), (7, 2857353), (19, 1052709), (21, 952451), (57, 350903), (133, 150387), (399, 50129)]