20493284

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17021}}^1$

素因数の和:17075

約数の個数: 24

約数和(自身を含む): 41942208

約数和(自身を除く): 21448924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17021, 34042, 68084, 119147, 238294, 476588, 731903, 1463806, 2927612, 5123321, 10246642, 20493284]

約数ペア:

[(1, 20493284), (2, 10246642), (4, 5123321), (7, 2927612), (14, 1463806), (28, 731903), (43, 476588), (86, 238294), (172, 119147), (301, 68084), (602, 34042), (1204, 17021)]