20459769

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 30260160

約数和(自身を除く): 9800391

約数列:

[1, 3, 11, 33, 121, 157, 359, 363, 471, 1077, 1727, 3949, 5181, 11847, 18997, 43439, 56363, 56991, 130317, 169089, 619993, 1859979, 6819923, 20459769]

約数ペア:

[(1, 20459769), (3, 6819923), (11, 1859979), (33, 619993), (121, 169089), (157, 130317), (359, 56991), (363, 56363), (471, 43439), (1077, 18997), (1727, 11847), (3949, 5181)]