20638010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30803}}^1$

素因数の和:30877

約数の個数: 16

約数和(自身を含む): 37704096

約数和(自身を除く): 17066086

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 30803, 61606, 154015, 308030, 2063801, 4127602, 10319005, 20638010]

約数ペア:

[(1, 20638010), (2, 10319005), (5, 4127602), (10, 2063801), (67, 308030), (134, 154015), (335, 61606), (670, 30803)]