20512890842

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{492601}}^1$

素因数の和:493093

約数の個数: 16

約数和(自身を含む): 31495001472

約数和(自身を除く): 10982110630

約数列:

[1, 2, 47, 94, 443, 886, 20821, 41642, 492601, 985202, 23152247, 46304494, 218222243, 436444486, 10256445421, 20512890842]

約数ペア:

[(1, 20512890842), (2, 10256445421), (47, 436444486), (94, 218222243), (443, 46304494), (886, 23152247), (20821, 985202), (41642, 492601)]