20842629

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1171}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 29534400

約数和(自身を除く): 8691771

約数列:

[1, 3, 17, 51, 349, 1047, 1171, 3513, 5933, 17799, 19907, 59721, 408679, 1226037, 6947543, 20842629]

約数ペア:

[(1, 20842629), (3, 6947543), (17, 1226037), (51, 408679), (349, 59721), (1047, 19907), (1171, 17799), (3513, 5933)]