20467942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4871}}^1$

素因数の和:5075

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 13207322

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 4871, 9742, 53581, 107162, 930361, 1860722, 10233971, 20467942]

約数ペア:

[(1, 20467942), (2, 10233971), (11, 1860722), (22, 930361), (191, 107162), (382, 53581), (2101, 9742), (4202, 4871)]