20974413

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17881}}^1$

素因数の和:17924

約数の個数: 16

約数和(自身を含む): 30900096

約数和(自身を除く): 9925683

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17881, 53643, 303977, 411263, 911931, 1233789, 6991471, 20974413]

約数ペア:

[(1, 20974413), (3, 6991471), (17, 1233789), (23, 911931), (51, 411263), (69, 303977), (391, 53643), (1173, 17881)]