20098072

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{10009}}^1$

素因数の和:10266

約数の個数: 16

約数和(自身を含む): 37837800

約数和(自身を除く): 17739728

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 10009, 20018, 40036, 80072, 2512259, 5024518, 10049036, 20098072]

約数ペア:

[(1, 20098072), (2, 10049036), (4, 5024518), (8, 2512259), (251, 80072), (502, 40036), (1004, 20018), (2008, 10009)]