20713143

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 31085824

約数和(自身を除く): 10372681

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1327, 1419, 3981, 5203, 14597, 15609, 43791, 57061, 160567, 171183, 481701, 627671, 1883013, 6904381, 20713143]

約数ペア:

[(1, 20713143), (3, 6904381), (11, 1883013), (33, 627671), (43, 481701), (121, 171183), (129, 160567), (363, 57061), (473, 43791), (1327, 15609), (1419, 14597), (3981, 5203)]