20656802

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1979}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 12274558

約数列:

[1, 2, 17, 34, 307, 614, 1979, 3958, 5219, 10438, 33643, 67286, 607553, 1215106, 10328401, 20656802]

約数ペア:

[(1, 20656802), (2, 10328401), (17, 1215106), (34, 607553), (307, 67286), (614, 33643), (1979, 10438), (3958, 5219)]