20946465

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9127}}^1$

素因数の和:9158

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 18486495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9127, 27381, 45635, 82143, 136905, 155159, 246429, 410715, 465477, 775795, 1232145, 1396431, 2327385, 4189293, 6982155, 20946465]

約数ペア:

[(1, 20946465), (3, 6982155), (5, 4189293), (9, 2327385), (15, 1396431), (17, 1232145), (27, 775795), (45, 465477), (51, 410715), (85, 246429), (135, 155159), (153, 136905), (255, 82143), (459, 45635), (765, 27381), (2295, 9127)]