20959456

素因数分解:

$2^5\times 7^2\times {\mathrm{13367}}^1$

素因数の和:13391

約数の個数: 36

約数和(自身を含む): 48004488

約数和(自身を除く): 27045032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13367, 26734, 53468, 93569, 106936, 187138, 213872, 374276, 427744, 654983, 748552, 1309966, 1497104, 2619932, 2994208, 5239864, 10479728, 20959456]

約数ペア:

[(1, 20959456), (2, 10479728), (4, 5239864), (7, 2994208), (8, 2619932), (14, 1497104), (16, 1309966), (28, 748552), (32, 654983), (49, 427744), (56, 374276), (98, 213872), (112, 187138), (196, 106936), (224, 93569), (392, 53468), (784, 26734), (1568, 13367)]