20257149

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{36109}}^1$

素因数の和:36140

約数の個数: 16

約数和(自身を含む): 31199040

約数和(自身を除く): 10941891

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 36109, 108327, 397199, 613853, 1191597, 1841559, 6752383, 20257149]

約数ペア:

[(1, 20257149), (3, 6752383), (11, 1841559), (17, 1191597), (33, 613853), (51, 397199), (187, 108327), (561, 36109)]