20211856

素因数分解:

$2^4\times 7^1\times {\mathrm{180463}}^1$

素因数の和:180478

約数の個数: 20

約数和(自身を含む): 44755072

約数和(自身を除く): 24543216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180463, 360926, 721852, 1263241, 1443704, 2526482, 2887408, 5052964, 10105928, 20211856]

約数ペア:

[(1, 20211856), (2, 10105928), (4, 5052964), (7, 2887408), (8, 2526482), (14, 1443704), (16, 1263241), (28, 721852), (56, 360926), (112, 180463)]