20619732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245473}}^1$

素因数の和:245487

約数の個数: 24

約数和(自身を含む): 54986176

約数和(自身を除く): 34366444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245473, 490946, 736419, 981892, 1472838, 1718311, 2945676, 3436622, 5154933, 6873244, 10309866, 20619732]

約数ペア:

[(1, 20619732), (2, 10309866), (3, 6873244), (4, 5154933), (6, 3436622), (7, 2945676), (12, 1718311), (14, 1472838), (21, 981892), (28, 736419), (42, 490946), (84, 245473)]