20837590

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{5903}}^1$

素因数の和:6263

約数の個数: 16

約数和(自身を含む): 37620288

約数和(自身を除く): 16782698

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 5903, 11806, 29515, 59030, 2083759, 4167518, 10418795, 20837590]

約数ペア:

[(1, 20837590), (2, 10418795), (5, 4167518), (10, 2083759), (353, 59030), (706, 29515), (1765, 11806), (3530, 5903)]