20732571

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2657}}^1$

素因数の和:2700

約数の個数: 24

約数和(自身を含む): 32640240

約数和(自身を除く): 11907669

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2657, 7803, 7971, 23913, 45169, 71739, 135507, 406521, 767873, 1219563, 2303619, 6910857, 20732571]

約数ペア:

[(1, 20732571), (3, 6910857), (9, 2303619), (17, 1219563), (27, 767873), (51, 406521), (153, 135507), (289, 71739), (459, 45169), (867, 23913), (2601, 7971), (2657, 7803)]