20423067

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5039}}^1$

素因数の和:5242

約数の個数: 16

約数和(自身を含む): 31288320

約数和(自身を除く): 10865253

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 5039, 15117, 35273, 105819, 972527, 2917581, 6807689, 20423067]

約数ペア:

[(1, 20423067), (3, 6807689), (7, 2917581), (21, 972527), (193, 105819), (579, 35273), (1351, 15117), (4053, 5039)]