20369487

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{587}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7572273

約数列:

[1, 3, 43, 129, 269, 587, 807, 1761, 11567, 25241, 34701, 75723, 157903, 473709, 6789829, 20369487]

約数ペア:

[(1, 20369487), (3, 6789829), (43, 473709), (129, 157903), (269, 75723), (587, 34701), (807, 25241), (1761, 11567)]