20950237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1733}}^1$

素因数の和:1908

約数の個数: 16

約数和(自身を含む): 26301312

約数和(自身を除く): 5351075

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 1733, 12089, 12131, 19063, 133441, 272081, 1904567, 2992891, 20950237]

約数ペア:

[(1, 20950237), (7, 2992891), (11, 1904567), (77, 272081), (157, 133441), (1099, 19063), (1727, 12131), (1733, 12089)]