20161031896

素因数分解:

$2^3\times {\mathrm{2179}}^1\times {\mathrm{1156553}}^1$

素因数の和:1158738

約数の個数: 16

約数和(自身を含む): 37819315800

約数和(自身を除く): 17658283904

約数列:

[1, 2, 4, 8, 2179, 4358, 8716, 17432, 1156553, 2313106, 4626212, 9252424, 2520128987, 5040257974, 10080515948, 20161031896]

約数ペア:

[(1, 20161031896), (2, 10080515948), (4, 5040257974), (8, 2520128987), (2179, 9252424), (4358, 4626212), (8716, 2313106), (17432, 1156553)]