20705415

素因数分解:

$3^1\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{1301}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 33185376

約数和(自身を除く): 12479961

約数列:

[1, 3, 5, 15, 1061, 1301, 3183, 3903, 5305, 6505, 15915, 19515, 1380361, 4141083, 6901805, 20705415]

約数ペア:

[(1, 20705415), (3, 6901805), (5, 4141083), (15, 1380361), (1061, 19515), (1301, 15915), (3183, 6505), (3903, 5305)]