2021570380

素因数分解:

$2^2\times 5^1\times {\mathrm{24421}}^1\times {\mathrm{4139}}^1$

素因数の和:28569

約数の個数: 24

約数和(自身を含む): 4246497360

約数和(自身を除く): 2224926980

約数列:

[1, 2, 4, 5, 10, 20, 4139, 8278, 16556, 20695, 24421, 41390, 48842, 82780, 97684, 122105, 244210, 488420, 101078519, 202157038, 404314076, 505392595, 1010785190, 2021570380]

約数ペア:

[(1, 2021570380), (2, 1010785190), (4, 505392595), (5, 404314076), (10, 202157038), (20, 101078519), (4139, 488420), (8278, 244210), (16556, 122105), (20695, 97684), (24421, 82780), (41390, 48842)]