20625042

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21089}}^1$

素因数の和:21257

約数の個数: 16

約数和(自身を含む): 41505120

約数和(自身を除く): 20880078

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21089, 42178, 63267, 126534, 3437507, 6875014, 10312521, 20625042]

約数ペア:

[(1, 20625042), (2, 10312521), (3, 6875014), (6, 3437507), (163, 126534), (326, 63267), (489, 42178), (978, 21089)]