20208874

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 35856000

約数和(自身を除く): 15647126

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 331, 343, 623, 662, 686, 1246, 2317, 4361, 4634, 8722, 16219, 29459, 30527, 32438, 58918, 61054, 113533, 206213, 227066, 412426, 1443491, 2886982, 10104437, 20208874]

約数ペア:

[(1, 20208874), (2, 10104437), (7, 2886982), (14, 1443491), (49, 412426), (89, 227066), (98, 206213), (178, 113533), (331, 61054), (343, 58918), (623, 32438), (662, 30527), (686, 29459), (1246, 16219), (2317, 8722), (4361, 4634)]