20962220

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1223}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 44108064

約数和(自身を除く): 23145844

約数列:

[1, 2, 4, 5, 10, 20, 857, 1223, 1714, 2446, 3428, 4285, 4892, 6115, 8570, 12230, 17140, 24460, 1048111, 2096222, 4192444, 5240555, 10481110, 20962220]

約数ペア:

[(1, 20962220), (2, 10481110), (4, 5240555), (5, 4192444), (10, 2096222), (20, 1048111), (857, 24460), (1223, 17140), (1714, 12230), (2446, 8570), (3428, 6115), (4285, 4892)]