20403199

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 21821184

約数和(自身を除く): 1417985

約数列:

[1, 41, 43, 71, 163, 1763, 2911, 3053, 6683, 7009, 11573, 125173, 287369, 474493, 497639, 20403199]

約数ペア:

[(1, 20403199), (41, 497639), (43, 474493), (71, 287369), (163, 125173), (1763, 11573), (2911, 7009), (3053, 6683)]