20481244

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17011}}^1$

素因数の和:17065

約数の個数: 24

約数和(自身を含む): 41917568

約数和(自身を除く): 21436324

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17011, 34022, 68044, 119077, 238154, 476308, 731473, 1462946, 2925892, 5120311, 10240622, 20481244]

約数ペア:

[(1, 20481244), (2, 10240622), (4, 5120311), (7, 2925892), (14, 1462946), (28, 731473), (43, 476308), (86, 238154), (172, 119077), (301, 68044), (602, 34022), (1204, 17011)]