20512142613

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{37362737}}^1$

素因数の和:37362804

約数の個数: 12

約数和(自身を含む): 30114366828

約数和(自身を除く): 9602224215

約数列:

[1, 3, 9, 61, 183, 549, 37362737, 112088211, 336264633, 2279126957, 6837380871, 20512142613]

約数ペア:

[(1, 20512142613), (3, 6837380871), (9, 2279126957), (61, 336264633), (183, 112088211), (549, 37362737)]