20651316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245849}}^1$

素因数の和:245863

約数の個数: 24

約数和(自身を含む): 55070400

約数和(自身を除く): 34419084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245849, 491698, 737547, 983396, 1475094, 1720943, 2950188, 3441886, 5162829, 6883772, 10325658, 20651316]

約数ペア:

[(1, 20651316), (2, 10325658), (3, 6883772), (4, 5162829), (6, 3441886), (7, 2950188), (12, 1720943), (14, 1475094), (21, 983396), (28, 737547), (42, 491698), (84, 245849)]