20756151

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9337}}^1$

素因数の和:9375

約数の個数: 24

約数和(自身を含む): 33990320

約数和(自身を除く): 13234169

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9337, 28011, 84033, 121381, 177403, 364143, 532209, 1092429, 1596627, 2306239, 6918717, 20756151]

約数ペア:

[(1, 20756151), (3, 6918717), (9, 2306239), (13, 1596627), (19, 1092429), (39, 532209), (57, 364143), (117, 177403), (171, 121381), (247, 84033), (741, 28011), (2223, 9337)]