20565380781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{3169}}^1\times {\mathrm{65551}}^1$

素因数の和:68737

約数の個数: 24

約数和(自身を含む): 32416775040

約数和(自身を除く): 11851394259

約数列:

[1, 3, 9, 11, 33, 99, 3169, 9507, 28521, 34859, 65551, 104577, 196653, 313731, 589959, 721061, 2163183, 6489549, 207731119, 623193357, 1869580071, 2285042309, 6855126927, 20565380781]

約数ペア:

[(1, 20565380781), (3, 6855126927), (9, 2285042309), (11, 1869580071), (33, 623193357), (99, 207731119), (3169, 6489549), (9507, 2163183), (28521, 721061), (34859, 589959), (65551, 313731), (104577, 196653)]