20173885053

素因数分解:

$3^1\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{450803}}^1$

素因数の和:452944

約数の個数: 16

約数和(自身を含む): 30755652096

約数和(自身を除く): 10581767043

約数列:

[1, 3, 7, 21, 2131, 6393, 14917, 44751, 450803, 1352409, 3155621, 9466863, 960661193, 2881983579, 6724628351, 20173885053]

約数ペア:

[(1, 20173885053), (3, 6724628351), (7, 2881983579), (21, 960661193), (2131, 9466863), (6393, 3155621), (14917, 1352409), (44751, 450803)]