20784420912

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{3115171}}^1$

素因数の和:3115321

約数の個数: 40

約数和(自身を含む): 54079385920

約数和(自身を除く): 33294965008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672, 3115171, 6230342, 9345513, 12460684, 18691026, 24921368, 37382052, 49842736, 74764104, 149528208, 433008769, 866017538, 1299026307, 1732035076, 2598052614, 3464070152, 5196105228, 6928140304, 10392210456, 20784420912]

約数ペア:

[(1, 20784420912), (2, 10392210456), (3, 6928140304), (4, 5196105228), (6, 3464070152), (8, 2598052614), (12, 1732035076), (16, 1299026307), (24, 866017538), (48, 433008769), (139, 149528208), (278, 74764104), (417, 49842736), (556, 37382052), (834, 24921368), (1112, 18691026), (1668, 12460684), (2224, 9345513), (3336, 6230342), (6672, 3115171)]