16720864

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{9859}}^1$

素因数の和:9922

約数の個数: 24

約数和(自身を含む): 33543720

約数和(自身を除く): 16822856

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 9859, 19718, 39436, 78872, 157744, 315488, 522527, 1045054, 2090108, 4180216, 8360432, 16720864]

約数ペア:

[(1, 16720864), (2, 8360432), (4, 4180216), (8, 2090108), (16, 1045054), (32, 522527), (53, 315488), (106, 157744), (212, 78872), (424, 39436), (848, 19718), (1696, 9859)]