20297942

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19861}}^1$

素因数の和:19943

約数の個数: 16

約数和(自身を含む): 35274912

約数和(自身を除く): 14976970

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19861, 39722, 139027, 278054, 1449853, 2899706, 10148971, 20297942]

約数ペア:

[(1, 20297942), (2, 10148971), (7, 2899706), (14, 1449853), (73, 278054), (146, 139027), (511, 39722), (1022, 19861)]