20161474557

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{36913}}^1$

素因数の和:37793

約数の個数: 32

約数和(自身を含む): 31751946240

約数和(自身を除く): 11590471683

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 839, 2517, 5873, 17619, 26009, 36913, 78027, 110739, 182063, 258391, 546189, 775173, 1144303, 3432909, 8010121, 24030363, 30970007, 92910021, 216790049, 650370147, 960070217, 2880210651, 6720491519, 20161474557]

約数ペア:

[(1, 20161474557), (3, 6720491519), (7, 2880210651), (21, 960070217), (31, 650370147), (93, 216790049), (217, 92910021), (651, 30970007), (839, 24030363), (2517, 8010121), (5873, 3432909), (17619, 1144303), (26009, 775173), (36913, 546189), (78027, 258391), (110739, 182063)]