20966355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27407}}^1$

素因数の和:27435

約数の個数: 24

約数和(自身を含む): 38480832

約数和(自身を除く): 17514477

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27407, 82221, 137035, 246663, 411105, 465919, 1233315, 1397757, 2329595, 4193271, 6988785, 20966355]

約数ペア:

[(1, 20966355), (3, 6988785), (5, 4193271), (9, 2329595), (15, 1397757), (17, 1233315), (45, 465919), (51, 411105), (85, 246663), (153, 137035), (255, 82221), (765, 27407)]