20001794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12241}}^1$

素因数の和:12305

約数の個数: 16

約数和(自身を含む): 32318880

約数和(自身を除く): 12317086

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12241, 24482, 232579, 465158, 526363, 1052726, 10000897, 20001794]

約数ペア:

[(1, 20001794), (2, 10000897), (19, 1052726), (38, 526363), (43, 465158), (86, 232579), (817, 24482), (1634, 12241)]