20446.000000

素因数分解:

$2^5\times 7^2\times {\mathrm{619}}^1$

素因数の和:643

約数の個数: 36

約数和(自身を含む): 2226420

約数和(自身を除く): 1255828

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 619, 784, 1238, 1568, 2476, 4333, 4952, 8666, 9904, 17332, 19808, 30331, 34664, 60662, 69328, 121324, 138656, 242648, 485296, 970592]

約数ペア:

[(1, 970592), (2, 485296), (4, 242648), (7, 138656), (8, 121324), (14, 69328), (16, 60662), (28, 34664), (32, 30331), (49, 19808), (56, 17332), (98, 9904), (112, 8666), (196, 4952), (224, 4333), (392, 2476), (619, 1568), (784, 1238)]