20682727

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 24823584

約数和(自身を除く): 4140857

約数列:

[1, 13, 17, 23, 169, 221, 299, 313, 391, 2873, 3887, 4069, 5083, 5321, 7199, 52897, 66079, 69173, 93587, 122383, 899249, 1216631, 1590979, 20682727]

約数ペア:

[(1, 20682727), (13, 1590979), (17, 1216631), (23, 899249), (169, 122383), (221, 93587), (299, 69173), (313, 66079), (391, 52897), (2873, 7199), (3887, 5321), (4069, 5083)]