20678001

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{1087}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 29297664

約数和(自身を除く): 8619663

約数列:

[1, 3, 17, 51, 373, 1087, 1119, 3261, 6341, 18479, 19023, 55437, 405451, 1216353, 6892667, 20678001]

約数ペア:

[(1, 20678001), (3, 6892667), (17, 1216353), (51, 405451), (373, 55437), (1087, 19023), (1119, 18479), (3261, 6341)]