20346720010

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4077499}}^1$

素因数の和:4078005

約数の個数: 16

約数和(自身を含む): 36697500000

約数和(自身を除く): 16350779990

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 4077499, 8154998, 20387495, 40774990, 2034672001, 4069344002, 10173360005, 20346720010]

約数ペア:

[(1, 20346720010), (2, 10173360005), (5, 4069344002), (10, 2034672001), (499, 40774990), (998, 20387495), (2495, 8154998), (4990, 4077499)]