20451298

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{31081}}^1$

素因数の和:31137

約数の個数: 16

約数和(自身を含む): 35806464

約数和(自身を除く): 15355166

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 31081, 62162, 217567, 435134, 1460807, 2921614, 10225649, 20451298]

約数ペア:

[(1, 20451298), (2, 10225649), (7, 2921614), (14, 1460807), (47, 435134), (94, 217567), (329, 62162), (658, 31081)]