43423420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19919}}^1$

素因数の和:20037

約数の個数: 24

約数和(自身を含む): 92030400

約数和(自身を除く): 48606980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19919, 39838, 79676, 99595, 199190, 398380, 2171171, 4342342, 8684684, 10855855, 21711710, 43423420]

約数ペア:

[(1, 43423420), (2, 21711710), (4, 10855855), (5, 8684684), (10, 4342342), (20, 2171171), (109, 398380), (218, 199190), (436, 99595), (545, 79676), (1090, 39838), (2180, 19919)]