20994297

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{839}}^1$

素因数の和:1300

約数の個数: 16

約数和(自身を含む): 29568000

約数和(自身を除く): 8573703

約数列:

[1, 3, 19, 57, 439, 839, 1317, 2517, 8341, 15941, 25023, 47823, 368321, 1104963, 6998099, 20994297]

約数ペア:

[(1, 20994297), (3, 6998099), (19, 1104963), (57, 368321), (439, 47823), (839, 25023), (1317, 15941), (2517, 8341)]