20218546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10039}}^1$

素因数の和:10113

約数の個数: 16

約数和(自身を含む): 32529600

約数和(自身を除く): 12311054

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10039, 20078, 190741, 381482, 532067, 1064134, 10109273, 20218546]

約数ペア:

[(1, 20218546), (2, 10109273), (19, 1064134), (38, 532067), (53, 381482), (106, 190741), (1007, 20078), (2014, 10039)]