20926297

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2203}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 25390080

約数和(自身を除く): 4463783

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2203, 9499, 15421, 50669, 129977, 354683, 909839, 2989471, 20926297]

約数ペア:

[(1, 20926297), (7, 2989471), (23, 909839), (59, 354683), (161, 129977), (413, 50669), (1357, 15421), (2203, 9499)]