20327900

素因数分解:

$2^2\times 5^2\times {\mathrm{203279}}^1$

素因数の和:203293

約数の個数: 18

約数和(自身を含む): 44111760

約数和(自身を除く): 23783860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203279, 406558, 813116, 1016395, 2032790, 4065580, 5081975, 10163950, 20327900]

約数ペア:

[(1, 20327900), (2, 10163950), (4, 5081975), (5, 4065580), (10, 2032790), (20, 1016395), (25, 813116), (50, 406558), (100, 203279)]