20944037210

素因数分解:

$2^1\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{1006441}}^1$

素因数の和:1008529

約数の個数: 16

約数和(自身を含む): 37717420392

約数和(自身を除く): 16773383182

約数列:

[1, 2, 5, 10, 2081, 4162, 10405, 20810, 1006441, 2012882, 5032205, 10064410, 2094403721, 4188807442, 10472018605, 20944037210]

約数ペア:

[(1, 20944037210), (2, 10472018605), (5, 4188807442), (10, 2094403721), (2081, 10064410), (4162, 5032205), (10405, 2012882), (20810, 1006441)]