20077456

素因数分解:

$2^4\times 7^2\times {\mathrm{25609}}^1$

素因数の和:25631

約数の個数: 30

約数和(自身を含む): 45252870

約数和(自身を除く): 25175414

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25609, 51218, 102436, 179263, 204872, 358526, 409744, 717052, 1254841, 1434104, 2509682, 2868208, 5019364, 10038728, 20077456]

約数ペア:

[(1, 20077456), (2, 10038728), (4, 5019364), (7, 2868208), (8, 2509682), (14, 1434104), (16, 1254841), (28, 717052), (49, 409744), (56, 358526), (98, 204872), (112, 179263), (196, 102436), (392, 51218), (784, 25609)]