20189600

素因数分解:

$2^5\times 5^2\times {\mathrm{25237}}^1$

素因数の和:25257

約数の個数: 36

約数和(自身を含む): 49289814

約数和(自身を除く): 29100214

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25237, 50474, 100948, 126185, 201896, 252370, 403792, 504740, 630925, 807584, 1009480, 1261850, 2018960, 2523700, 4037920, 5047400, 10094800, 20189600]

約数ペア:

[(1, 20189600), (2, 10094800), (4, 5047400), (5, 4037920), (8, 2523700), (10, 2018960), (16, 1261850), (20, 1009480), (25, 807584), (32, 630925), (40, 504740), (50, 403792), (80, 252370), (100, 201896), (160, 126185), (200, 100948), (400, 50474), (800, 25237)]