20516943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17491}}^1$

素因数の和:17534

約数の個数: 16

約数和(自身を含む): 30226176

約数和(自身を除く): 9709233

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17491, 52473, 297347, 402293, 892041, 1206879, 6838981, 20516943]

約数ペア:

[(1, 20516943), (3, 6838981), (17, 1206879), (23, 892041), (51, 402293), (69, 297347), (391, 52473), (1173, 17491)]