20161816

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5689}}^1$

素因数の和:6138

約数の個数: 16

約数和(自身を含む): 37895400

約数和(自身を除く): 17733584

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5689, 11378, 22756, 45512, 2520227, 5040454, 10080908, 20161816]

約数ペア:

[(1, 20161816), (2, 10080908), (4, 5040454), (8, 2520227), (443, 45512), (886, 22756), (1772, 11378), (3544, 5689)]