20420512

素因数分解:

$2^5\times 7^1\times {\mathrm{91163}}^1$

素因数の和:91180

約数の個数: 24

約数和(自身を含む): 45946656

約数和(自身を除く): 25526144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91163, 182326, 364652, 638141, 729304, 1276282, 1458608, 2552564, 2917216, 5105128, 10210256, 20420512]

約数ペア:

[(1, 20420512), (2, 10210256), (4, 5105128), (7, 2917216), (8, 2552564), (14, 1458608), (16, 1276282), (28, 729304), (32, 638141), (56, 364652), (112, 182326), (224, 91163)]