20149370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 37939968

約数和(自身を除く): 17790598

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 997, 1994, 2021, 4042, 4985, 9970, 10105, 20210, 42871, 46859, 85742, 93718, 214355, 234295, 428710, 468590, 2014937, 4029874, 10074685, 20149370]

約数ペア:

[(1, 20149370), (2, 10074685), (5, 4029874), (10, 2014937), (43, 468590), (47, 428710), (86, 234295), (94, 214355), (215, 93718), (235, 85742), (430, 46859), (470, 42871), (997, 20210), (1994, 10105), (2021, 9970), (4042, 4985)]