20859311

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 24310272

約数和(自身を除く): 3450961

約数列:

[1, 11, 31, 67, 83, 121, 341, 737, 913, 2077, 2573, 3751, 5561, 8107, 10043, 22847, 28303, 61171, 172391, 251317, 311333, 672881, 1896301, 20859311]

約数ペア:

[(1, 20859311), (11, 1896301), (31, 672881), (67, 311333), (83, 251317), (121, 172391), (341, 61171), (737, 28303), (913, 22847), (2077, 10043), (2573, 8107), (3751, 5561)]