20755175

素因数分解:

$5^2\times 7^2\times {\mathrm{16943}}^1$

素因数の和:16967

約数の個数: 18

約数和(自身を含む): 29940048

約数和(自身を除く): 9184873

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 16943, 84715, 118601, 423575, 593005, 830207, 2965025, 4151035, 20755175]

約数ペア:

[(1, 20755175), (5, 4151035), (7, 2965025), (25, 830207), (35, 593005), (49, 423575), (175, 118601), (245, 84715), (1225, 16943)]