20784500350

素因数分解:

$2^1\times 5^2\times {\mathrm{415690007}}^1$

素因数の和:415690019

約数の個数: 12

約数和(自身を含む): 38659170744

約数和(自身を除く): 17874670394

約数列:

[1, 2, 5, 10, 25, 50, 415690007, 831380014, 2078450035, 4156900070, 10392250175, 20784500350]

約数ペア:

[(1, 20784500350), (2, 10392250175), (5, 4156900070), (10, 2078450035), (25, 831380014), (50, 415690007)]