20998192

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{69073}}^1$

素因数の和:69100

約数の個数: 20

約数和(自身を含む): 42825880

約数和(自身を除く): 21827688

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 69073, 138146, 276292, 552584, 1105168, 1312387, 2624774, 5249548, 10499096, 20998192]

約数ペア:

[(1, 20998192), (2, 10499096), (4, 5249548), (8, 2624774), (16, 1312387), (19, 1105168), (38, 552584), (76, 276292), (152, 138146), (304, 69073)]