20739516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246899}}^1$

素因数の和:246913

約数の個数: 24

約数和(自身を含む): 55305600

約数和(自身を除く): 34566084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246899, 493798, 740697, 987596, 1481394, 1728293, 2962788, 3456586, 5184879, 6913172, 10369758, 20739516]

約数ペア:

[(1, 20739516), (2, 10369758), (3, 6913172), (4, 5184879), (6, 3456586), (7, 2962788), (12, 1728293), (14, 1481394), (21, 987596), (28, 740697), (42, 493798), (84, 246899)]