20538057

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17509}}^1$

素因数の和:17552

約数の個数: 16

約数和(自身を含む): 30257280

約数和(自身を除く): 9719223

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17509, 52527, 297653, 402707, 892959, 1208121, 6846019, 20538057]

約数ペア:

[(1, 20538057), (3, 6846019), (17, 1208121), (23, 892959), (51, 402707), (69, 297653), (391, 52527), (1173, 17509)]