20337359

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4338481

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2141, 9499, 14987, 49243, 126319, 344701, 884233, 2905337, 20337359]

約数ペア:

[(1, 20337359), (7, 2905337), (23, 884233), (59, 344701), (161, 126319), (413, 49243), (1357, 14987), (2141, 9499)]