20749804

素因数分解:

$2^2\times {\mathrm{631}}^1\times {\mathrm{8221}}^1$

素因数の和:8856

約数の個数: 12

約数和(自身を含む): 36374128

約数和(自身を除く): 15624324

約数列:

[1, 2, 4, 631, 1262, 2524, 8221, 16442, 32884, 5187451, 10374902, 20749804]

約数ペア:

[(1, 20749804), (2, 10374902), (4, 5187451), (631, 32884), (1262, 16442), (2524, 8221)]