20975418

素因数分解:

$2^1\times 3^2\times {\mathrm{1165301}}^1$

素因数の和:1165309

約数の個数: 12

約数和(自身を含む): 45446778

約数和(自身を除く): 24471360

約数列:

[1, 2, 3, 6, 9, 18, 1165301, 2330602, 3495903, 6991806, 10487709, 20975418]

約数ペア:

[(1, 20975418), (2, 10487709), (3, 6991806), (6, 3495903), (9, 2330602), (18, 1165301)]