20782869

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{839}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 8247531

約数列:

[1, 3, 23, 69, 359, 839, 1077, 2517, 8257, 19297, 24771, 57891, 301201, 903603, 6927623, 20782869]

約数ペア:

[(1, 20782869), (3, 6927623), (23, 903603), (69, 301201), (359, 57891), (839, 24771), (1077, 19297), (2517, 8257)]