20233281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 28655424

約数和(自身を除く): 8422143

約数列:

[1, 3, 17, 51, 617, 643, 1851, 1929, 10489, 10931, 31467, 32793, 396731, 1190193, 6744427, 20233281]

約数ペア:

[(1, 20233281), (3, 6744427), (17, 1190193), (51, 396731), (617, 32793), (643, 31467), (1851, 10931), (1929, 10489)]