20982914

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1381}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 32239296

約数和(自身を除く): 11256382

約数列:

[1, 2, 71, 107, 142, 214, 1381, 2762, 7597, 15194, 98051, 147767, 196102, 295534, 10491457, 20982914]

約数ペア:

[(1, 20982914), (2, 10491457), (71, 295534), (107, 196102), (142, 147767), (214, 98051), (1381, 15194), (2762, 7597)]