20195541

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12878379

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 1913, 3519, 5739, 10557, 17217, 32521, 43999, 51651, 97563, 131997, 292689, 395991, 747983, 878067, 1187973, 2243949, 6731847, 20195541]

約数ペア:

[(1, 20195541), (3, 6731847), (9, 2243949), (17, 1187973), (23, 878067), (27, 747983), (51, 395991), (69, 292689), (153, 131997), (207, 97563), (391, 51651), (459, 43999), (621, 32521), (1173, 17217), (1913, 10557), (3519, 5739)]