20198156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9767}}^1$

素因数の和:9829

約数の個数: 24

約数和(自身を含む): 39384576

約数和(自身を除く): 19186420

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9767, 19534, 39068, 107437, 214874, 429748, 459049, 918098, 1836196, 5049539, 10099078, 20198156]

約数ペア:

[(1, 20198156), (2, 10099078), (4, 5049539), (11, 1836196), (22, 918098), (44, 459049), (47, 429748), (94, 214874), (188, 107437), (517, 39068), (1034, 19534), (2068, 9767)]