20948417

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 25062912

約数和(自身を除く): 4114495

約数列:

[1, 7, 41, 47, 287, 329, 1553, 1927, 10871, 13489, 63673, 72991, 445711, 510937, 2992631, 20948417]

約数ペア:

[(1, 20948417), (7, 2992631), (41, 510937), (47, 445711), (287, 72991), (329, 63673), (1553, 13489), (1927, 10871)]