20467664

素因数分解:

$2^4\times 7^1\times {\mathrm{182747}}^1$

素因数の和:182762

約数の個数: 20

約数和(自身を含む): 45321504

約数和(自身を除く): 24853840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182747, 365494, 730988, 1279229, 1461976, 2558458, 2923952, 5116916, 10233832, 20467664]

約数ペア:

[(1, 20467664), (2, 10233832), (4, 5116916), (7, 2923952), (8, 2558458), (14, 1461976), (16, 1279229), (28, 730988), (56, 365494), (112, 182747)]