20172688004

素因数分解:

$2^2\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{685493}}^1$

素因数の和:686555

約数の個数: 24

約数和(自身を含む): 40383822528

約数和(自身を除く): 20211134524

約数列:

[1, 2, 4, 7, 14, 28, 1051, 2102, 4204, 7357, 14714, 29428, 685493, 1370986, 2741972, 4798451, 9596902, 19193804, 720453143, 1440906286, 2881812572, 5043172001, 10086344002, 20172688004]

約数ペア:

[(1, 20172688004), (2, 10086344002), (4, 5043172001), (7, 2881812572), (14, 1440906286), (28, 720453143), (1051, 19193804), (2102, 9596902), (4204, 4798451), (7357, 2741972), (14714, 1370986), (29428, 685493)]