20320700

素因数分解:

$2^2\times 5^2\times {\mathrm{203207}}^1$

素因数の和:203221

約数の個数: 18

約数和(自身を含む): 44096136

約数和(自身を除く): 23775436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203207, 406414, 812828, 1016035, 2032070, 4064140, 5080175, 10160350, 20320700]

約数ペア:

[(1, 20320700), (2, 10160350), (4, 5080175), (5, 4064140), (10, 2032070), (20, 1016035), (25, 812828), (50, 406414), (100, 203207)]