20758832

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11903}}^1$

素因数の和:12020

約数の個数: 20

約数和(自身を含む): 40592640

約数和(自身を除く): 19833808

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11903, 23806, 47612, 95224, 190448, 1297427, 2594854, 5189708, 10379416, 20758832]

約数ペア:

[(1, 20758832), (2, 10379416), (4, 5189708), (8, 2594854), (16, 1297427), (109, 190448), (218, 95224), (436, 47612), (872, 23806), (1744, 11903)]