20178608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66377}}^1$

素因数の和:66404

約数の個数: 20

約数和(自身を含む): 41154360

約数和(自身を除く): 20975752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66377, 132754, 265508, 531016, 1062032, 1261163, 2522326, 5044652, 10089304, 20178608]

約数ペア:

[(1, 20178608), (2, 10089304), (4, 5044652), (8, 2522326), (16, 1261163), (19, 1062032), (38, 531016), (76, 265508), (152, 132754), (304, 66377)]