20666382

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{313127}}^1$

素因数の和:313143

約数の個数: 16

約数和(自身を含む): 45090432

約数和(自身を除く): 24424050

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 313127, 626254, 939381, 1878762, 3444397, 6888794, 10333191, 20666382]

約数ペア:

[(1, 20666382), (2, 10333191), (3, 6888794), (6, 3444397), (11, 1878762), (22, 939381), (33, 626254), (66, 313127)]