20305929

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13619}}^1$

素因数の和:13700

約数の個数: 16

約数和(自身を含む): 31380480

約数和(自身を除く): 11074551

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13619, 40857, 95333, 285999, 966949, 2900847, 6768643, 20305929]

約数ペア:

[(1, 20305929), (3, 6768643), (7, 2900847), (21, 966949), (71, 285999), (213, 95333), (497, 40857), (1491, 13619)]