20857424

素因数分解:

$2^4\times 7^1\times {\mathrm{186227}}^1$

素因数の和:186242

約数の個数: 20

約数和(自身を含む): 46184544

約数和(自身を除く): 25327120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186227, 372454, 744908, 1303589, 1489816, 2607178, 2979632, 5214356, 10428712, 20857424]

約数ペア:

[(1, 20857424), (2, 10428712), (4, 5214356), (7, 2979632), (8, 2607178), (14, 1489816), (16, 1303589), (28, 744908), (56, 372454), (112, 186227)]