20172729940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1950941}}^1$

素因数の和:1951008

約数の個数: 48

約数和(自身を含む): 47197188864

約数和(自身を除く): 27024458924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 1950941, 3901882, 7803764, 9754705, 19509410, 21460351, 39018820, 42920702, 85841404, 91694227, 107301755, 183388454, 214603510, 366776908, 429207020, 458471135, 916942270, 1008636497, 1833884540, 2017272994, 4034545988, 5043182485, 10086364970, 20172729940]

約数ペア:

[(1, 20172729940), (2, 10086364970), (4, 5043182485), (5, 4034545988), (10, 2017272994), (11, 1833884540), (20, 1008636497), (22, 916942270), (44, 458471135), (47, 429207020), (55, 366776908), (94, 214603510), (110, 183388454), (188, 107301755), (220, 91694227), (235, 85841404), (470, 42920702), (517, 39018820), (940, 21460351), (1034, 19509410), (2068, 9754705), (2585, 7803764), (5170, 3901882), (10340, 1950941)]