20456006

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:803

約数の個数: 16

約数和(自身を含む): 31200000

約数和(自身を除く): 10743994

約数列:

[1, 2, 103, 199, 206, 398, 499, 998, 20497, 40994, 51397, 99301, 102794, 198602, 10228003, 20456006]

約数ペア:

[(1, 20456006), (2, 10228003), (103, 198602), (199, 102794), (206, 99301), (398, 51397), (499, 40994), (998, 20497)]