20178164732

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{571}}^1\times {\mathrm{73013}}^1$

素因数の和:73610

約数の個数: 36

約数和(自身を含む): 38882291448

約数和(自身を除く): 18704126716

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 571, 1142, 2284, 6281, 12562, 25124, 69091, 73013, 138182, 146026, 276364, 292052, 803143, 1606286, 3212572, 8834573, 17669146, 35338292, 41690423, 83380846, 166761692, 458594653, 917189306, 1834378612, 5044541183, 10089082366, 20178164732]

約数ペア:

[(1, 20178164732), (2, 10089082366), (4, 5044541183), (11, 1834378612), (22, 917189306), (44, 458594653), (121, 166761692), (242, 83380846), (484, 41690423), (571, 35338292), (1142, 17669146), (2284, 8834573), (6281, 3212572), (12562, 1606286), (25124, 803143), (69091, 292052), (73013, 276364), (138182, 146026)]