20188973380

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{483221}}^1$

素因数の和:485319

約数の個数: 24

約数和(自身を含む): 42417227160

約数和(自身を除く): 22228253780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 8356, 10445, 20890, 41780, 483221, 966442, 1932884, 2416105, 4832210, 9664420, 1009448669, 2018897338, 4037794676, 5047243345, 10094486690, 20188973380]

約数ペア:

[(1, 20188973380), (2, 10094486690), (4, 5047243345), (5, 4037794676), (10, 2018897338), (20, 1009448669), (2089, 9664420), (4178, 4832210), (8356, 2416105), (10445, 1932884), (20890, 966442), (41780, 483221)]