20216426

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 31055400

約数和(自身を除く): 10838974

約数列:

[1, 2, 53, 106, 269, 538, 709, 1418, 14257, 28514, 37577, 75154, 190721, 381442, 10108213, 20216426]

約数ペア:

[(1, 20216426), (2, 10108213), (53, 381442), (106, 190721), (269, 75154), (538, 37577), (709, 28514), (1418, 14257)]