20437676

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2347}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 41024256

約数和(自身を除く): 20586580

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 2347, 4354, 4694, 8708, 9388, 16429, 32858, 65716, 729917, 1459834, 2919668, 5109419, 10218838, 20437676]

約数ペア:

[(1, 20437676), (2, 10218838), (4, 5109419), (7, 2919668), (14, 1459834), (28, 729917), (311, 65716), (622, 32858), (1244, 16429), (2177, 9388), (2347, 8708), (4354, 4694)]