20255279

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 24227280

約数和(自身を除く): 3972001

約数列:

[1, 11, 17, 43, 121, 187, 229, 473, 731, 2057, 2519, 3893, 5203, 8041, 9847, 27709, 42823, 88451, 108317, 167399, 471053, 1191487, 1841389, 20255279]

約数ペア:

[(1, 20255279), (11, 1841389), (17, 1191487), (43, 471053), (121, 167399), (187, 108317), (229, 88451), (473, 42823), (731, 27709), (2057, 9847), (2519, 8041), (3893, 5203)]