20740188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246907}}^1$

素因数の和:246921

約数の個数: 24

約数和(自身を含む): 55307392

約数和(自身を除く): 34567204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246907, 493814, 740721, 987628, 1481442, 1728349, 2962884, 3456698, 5185047, 6913396, 10370094, 20740188]

約数ペア:

[(1, 20740188), (2, 10370094), (3, 6913396), (4, 5185047), (6, 3456698), (7, 2962884), (12, 1728349), (14, 1481442), (21, 987628), (28, 740721), (42, 493814), (84, 246907)]