20512991618

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{3124123}}^1$

素因数の和:3124206

約数の個数: 24

約数和(自身を含む): 36327313872

約数和(自身を除く): 15814322254

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 469, 938, 3283, 6566, 3124123, 6248246, 21868861, 43737722, 153082027, 209316241, 306164054, 418632482, 1465213687, 2930427374, 10256495809, 20512991618]

約数ペア:

[(1, 20512991618), (2, 10256495809), (7, 2930427374), (14, 1465213687), (49, 418632482), (67, 306164054), (98, 209316241), (134, 153082027), (469, 43737722), (938, 21868861), (3283, 6248246), (6566, 3124123)]