20566887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21491}}^1$

素因数の和:21534

約数の個数: 16

約数和(自身を含む): 30948480

約数和(自身を除く): 10381593

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21491, 64473, 236401, 623239, 709203, 1869717, 6855629, 20566887]

約数ペア:

[(1, 20566887), (3, 6855629), (11, 1869717), (29, 709203), (33, 623239), (87, 236401), (319, 64473), (957, 21491)]