20197632020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009881601}}^1$

素因数の和:1009881610

約数の個数: 12

約数和(自身を含む): 42415027284

約数和(自身を除く): 22217395264

約数列:

[1, 2, 4, 5, 10, 20, 1009881601, 2019763202, 4039526404, 5049408005, 10098816010, 20197632020]

約数ペア:

[(1, 20197632020), (2, 10098816010), (4, 5049408005), (5, 4039526404), (10, 2019763202), (20, 1009881601)]