20802240920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2270987}}^1$

素因数の和:2271227

約数の個数: 32

約数和(自身を含む): 47009451600

約数和(自身を除く): 26207210680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 2270987, 4541974, 9083948, 11354935, 18167896, 22709870, 45419740, 90839480, 520056023, 1040112046, 2080224092, 2600280115, 4160448184, 5200560230, 10401120460, 20802240920]

約数ペア:

[(1, 20802240920), (2, 10401120460), (4, 5200560230), (5, 4160448184), (8, 2600280115), (10, 2080224092), (20, 1040112046), (40, 520056023), (229, 90839480), (458, 45419740), (916, 22709870), (1145, 18167896), (1832, 11354935), (2290, 9083948), (4580, 4541974), (9160, 2270987)]