202090390220

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{7100857}}^1$

素因数の和:7102289

約数の個数: 24

約数和(自身を含む): 424688115264

約数和(自身を除く): 222597725044

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2846, 5692, 7115, 14230, 28460, 7100857, 14201714, 28403428, 35504285, 71008570, 142017140, 10104519511, 20209039022, 40418078044, 50522597555, 101045195110, 202090390220]

約数ペア:

[(1, 202090390220), (2, 101045195110), (4, 50522597555), (5, 40418078044), (10, 20209039022), (20, 10104519511), (1423, 142017140), (2846, 71008570), (5692, 35504285), (7115, 28403428), (14230, 14201714), (28460, 7100857)]