20375425

素因数分解:

$5^2\times 7^2\times {\mathrm{16633}}^1$

素因数の和:16657

約数の個数: 18

約数和(自身を含む): 29392278

約数和(自身を除く): 9016853

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 16633, 83165, 116431, 415825, 582155, 815017, 2910775, 4075085, 20375425]

約数ペア:

[(1, 20375425), (5, 4075085), (7, 2910775), (25, 815017), (35, 582155), (49, 415825), (175, 116431), (245, 83165), (1225, 16633)]