20747367

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2503}}^1$

素因数の和:2819

約数の個数: 16

約数和(自身を含む): 30849280

約数和(自身を除く): 10101913

約数列:

[1, 3, 9, 27, 307, 921, 2503, 2763, 7509, 8289, 22527, 67581, 768421, 2305263, 6915789, 20747367]

約数ペア:

[(1, 20747367), (3, 6915789), (9, 2305263), (27, 768421), (307, 67581), (921, 22527), (2503, 8289), (2763, 7509)]