20841850

素因数分解:

$2^1\times 5^2\times {\mathrm{233}}^1\times {\mathrm{1789}}^1$

素因数の和:2034

約数の個数: 24

約数和(自身を含む): 38953980

約数和(自身を除く): 18112130

約数列:

[1, 2, 5, 10, 25, 50, 233, 466, 1165, 1789, 2330, 3578, 5825, 8945, 11650, 17890, 44725, 89450, 416837, 833674, 2084185, 4168370, 10420925, 20841850]

約数ペア:

[(1, 20841850), (2, 10420925), (5, 4168370), (10, 2084185), (25, 833674), (50, 416837), (233, 89450), (466, 44725), (1165, 17890), (1789, 11650), (2330, 8945), (3578, 5825)]