20658417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31159}}^1$

素因数の和:31192

約数の個数: 16

約数和(自身を含む): 31409280

約数和(自身を除く): 10750863

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 31159, 93477, 405067, 529703, 1215201, 1589109, 6886139, 20658417]

約数ペア:

[(1, 20658417), (3, 6886139), (13, 1589109), (17, 1215201), (39, 529703), (51, 405067), (221, 93477), (663, 31159)]