20260071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 12338649

約数列:

[1, 3, 9, 13, 27, 39, 117, 197, 293, 351, 591, 879, 1773, 2561, 2637, 3809, 5319, 7683, 7911, 11427, 23049, 34281, 57721, 69147, 102843, 173163, 519489, 750373, 1558467, 2251119, 6753357, 20260071]

約数ペア:

[(1, 20260071), (3, 6753357), (9, 2251119), (13, 1558467), (27, 750373), (39, 519489), (117, 173163), (197, 102843), (293, 69147), (351, 57721), (591, 34281), (879, 23049), (1773, 11427), (2561, 7911), (2637, 7683), (3809, 5319)]