20763568

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2767}}^1$

素因数の和:2849

約数の個数: 40

約数和(自身を含む): 46679552

約数和(自身を除く): 25915984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2767, 3752, 5534, 7504, 11068, 19369, 22136, 38738, 44272, 77476, 154952, 185389, 309904, 370778, 741556, 1297723, 1483112, 2595446, 2966224, 5190892, 10381784, 20763568]

約数ペア:

[(1, 20763568), (2, 10381784), (4, 5190892), (7, 2966224), (8, 2595446), (14, 1483112), (16, 1297723), (28, 741556), (56, 370778), (67, 309904), (112, 185389), (134, 154952), (268, 77476), (469, 44272), (536, 38738), (938, 22136), (1072, 19369), (1876, 11068), (2767, 7504), (3752, 5534)]