20086840

素因数分解:

$2^3\times 5^1\times {\mathrm{502171}}^1$

素因数の和:502182

約数の個数: 16

約数和(自身を含む): 45195480

約数和(自身を除く): 25108640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502171, 1004342, 2008684, 2510855, 4017368, 5021710, 10043420, 20086840]

約数ペア:

[(1, 20086840), (2, 10043420), (4, 5021710), (5, 4017368), (8, 2510855), (10, 2008684), (20, 1004342), (40, 502171)]