20898173681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11800211}}^1$

素因数の和:11800252

約数の個数: 16

約数和(自身を含む): 27187688448

約数和(自身を除く): 6289514767

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11800211, 82601477, 129802321, 271404853, 908616247, 1899833971, 2985453383, 20898173681]

約数ペア:

[(1, 20898173681), (7, 2985453383), (11, 1899833971), (23, 908616247), (77, 271404853), (161, 129802321), (253, 82601477), (1771, 11800211)]