20139889287

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2656627}}^1$

素因数の和:2656675

約数の個数: 24

約数和(自身を含む): 32389608576

約数和(自身を除く): 12249719289

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 2656627, 7969881, 18596389, 50475913, 55789167, 151427739, 353331391, 959042347, 1059994173, 2877127041, 6713296429, 20139889287]

約数ペア:

[(1, 20139889287), (3, 6713296429), (7, 2877127041), (19, 1059994173), (21, 959042347), (57, 353331391), (133, 151427739), (361, 55789167), (399, 50475913), (1083, 18596389), (2527, 7969881), (7581, 2656627)]