20112862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 39223296

約数和(自身を除く): 19110434

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 383, 434, 682, 766, 847, 1694, 2387, 2681, 3751, 4213, 4774, 5362, 7502, 8426, 11873, 23746, 26257, 29491, 46343, 52514, 58982, 83111, 92686, 130603, 166222, 261206, 324401, 648802, 914221, 1436633, 1828442, 2873266, 10056431, 20112862]

約数ペア:

[(1, 20112862), (2, 10056431), (7, 2873266), (11, 1828442), (14, 1436633), (22, 914221), (31, 648802), (62, 324401), (77, 261206), (121, 166222), (154, 130603), (217, 92686), (242, 83111), (341, 58982), (383, 52514), (434, 46343), (682, 29491), (766, 26257), (847, 23746), (1694, 11873), (2387, 8426), (2681, 7502), (3751, 5362), (4213, 4774)]