20210083565

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{285433}}^1$

素因数の和:285486

約数の個数: 36

約数和(自身を含む): 29968857396

約数和(自身を除く): 9758773831

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 595, 833, 1445, 2023, 4165, 10115, 14161, 70805, 285433, 1427165, 1998031, 4852361, 9990155, 13986217, 24261805, 33966527, 69931085, 82490137, 169832635, 237765689, 412450685, 577430959, 1188828445, 2887154795, 4042016713, 20210083565]

約数ペア:

[(1, 20210083565), (5, 4042016713), (7, 2887154795), (17, 1188828445), (35, 577430959), (49, 412450685), (85, 237765689), (119, 169832635), (245, 82490137), (289, 69931085), (595, 33966527), (833, 24261805), (1445, 13986217), (2023, 9990155), (4165, 4852361), (10115, 1998031), (14161, 1427165), (70805, 285433)]