20314539

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 33812480

約数和(自身を除く): 13497941

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2539, 2667, 7617, 8001, 17773, 22851, 53319, 159957, 322453, 967359, 2257171, 2902077, 6771513, 20314539]

約数ペア:

[(1, 20314539), (3, 6771513), (7, 2902077), (9, 2257171), (21, 967359), (63, 322453), (127, 159957), (381, 53319), (889, 22851), (1143, 17773), (2539, 8001), (2667, 7617)]