20278949

素因数分解:

${\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 21565440

約数和(自身を除く): 1286491

約数列:

[1, 47, 59, 71, 103, 2773, 3337, 4189, 4841, 6077, 7313, 196883, 285619, 343711, 431467, 20278949]

約数ペア:

[(1, 20278949), (47, 431467), (59, 343711), (71, 285619), (103, 196883), (2773, 7313), (3337, 6077), (4189, 4841)]