20204464

素因数分解:

$2^4\times 7^2\times {\mathrm{25771}}^1$

素因数の和:25793

約数の個数: 30

約数和(自身を含む): 45539124

約数和(自身を除く): 25334660

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25771, 51542, 103084, 180397, 206168, 360794, 412336, 721588, 1262779, 1443176, 2525558, 2886352, 5051116, 10102232, 20204464]

約数ペア:

[(1, 20204464), (2, 10102232), (4, 5051116), (7, 2886352), (8, 2525558), (14, 1443176), (16, 1262779), (28, 721588), (49, 412336), (56, 360794), (98, 206168), (112, 180397), (196, 103084), (392, 51542), (784, 25771)]