20519032

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23531}}^1$

素因数の和:23646

約数の個数: 16

約数和(自身を含む): 38827800

約数和(自身を除く): 18308768

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23531, 47062, 94124, 188248, 2564879, 5129758, 10259516, 20519032]

約数ペア:

[(1, 20519032), (2, 10259516), (4, 5129758), (8, 2564879), (109, 188248), (218, 94124), (436, 47062), (872, 23531)]