20926266

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21397}}^1$

素因数の和:21565

約数の個数: 16

約数和(自身を含む): 42111264

約数和(自身を除く): 21184998

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21397, 42794, 64191, 128382, 3487711, 6975422, 10463133, 20926266]

約数ペア:

[(1, 20926266), (2, 10463133), (3, 6975422), (6, 3487711), (163, 128382), (326, 64191), (489, 42794), (978, 21397)]