20098771

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{761}}^1$

素因数の和:800

約数の個数: 20

約数和(自身を含む): 25612344

約数和(自身を除く): 5513573

約数列:

[1, 7, 11, 49, 77, 343, 539, 761, 2401, 3773, 5327, 8371, 26411, 37289, 58597, 261023, 410179, 1827161, 2871253, 20098771]

約数ペア:

[(1, 20098771), (7, 2871253), (11, 1827161), (49, 410179), (77, 261023), (343, 58597), (539, 37289), (761, 26411), (2401, 8371), (3773, 5327)]