20998053

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{18371}}^1$

素因数の和:18504

約数の個数: 12

約数和(自身を含む): 30571008

約数和(自身を除く): 9572955

約数列:

[1, 3, 9, 127, 381, 1143, 18371, 55113, 165339, 2333117, 6999351, 20998053]

約数ペア:

[(1, 20998053), (3, 6999351), (9, 2333117), (127, 165339), (381, 55113), (1143, 18371)]