20964272

素因数分解:

$2^4\times 7^1\times {\mathrm{187181}}^1$

素因数の和:187196

約数の個数: 20

約数和(自身を含む): 46421136

約数和(自身を除く): 25456864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187181, 374362, 748724, 1310267, 1497448, 2620534, 2994896, 5241068, 10482136, 20964272]

約数ペア:

[(1, 20964272), (2, 10482136), (4, 5241068), (7, 2994896), (8, 2620534), (14, 1497448), (16, 1310267), (28, 748724), (56, 374362), (112, 187181)]