20817064

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 19190456

約数列:

[1, 2, 4, 8, 83, 107, 166, 214, 293, 332, 428, 586, 664, 856, 1172, 2344, 8881, 17762, 24319, 31351, 35524, 48638, 62702, 71048, 97276, 125404, 194552, 250808, 2602133, 5204266, 10408532, 20817064]

約数ペア:

[(1, 20817064), (2, 10408532), (4, 5204266), (8, 2602133), (83, 250808), (107, 194552), (166, 125404), (214, 97276), (293, 71048), (332, 62702), (428, 48638), (586, 35524), (664, 31351), (856, 24319), (1172, 17762), (2344, 8881)]