20985087298

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34858949}}^1$

素因数の和:34859001

約数の個数: 16

約数和(自身を含む): 36811051200

約数和(自身を除く): 15825963902

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 34858949, 69717898, 244012643, 488025286, 1498934807, 2997869614, 10492543649, 20985087298]

約数ペア:

[(1, 20985087298), (2, 10492543649), (7, 2997869614), (14, 1498934807), (43, 488025286), (86, 244012643), (301, 69717898), (602, 34858949)]