20691546

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21157}}^1$

素因数の和:21325

約数の個数: 16

約数和(自身を含む): 41638944

約数和(自身を除く): 20947398

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21157, 42314, 63471, 126942, 3448591, 6897182, 10345773, 20691546]

約数ペア:

[(1, 20691546), (2, 10345773), (3, 6897182), (6, 3448591), (163, 126942), (326, 63471), (489, 42314), (978, 21157)]