20805865514

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87419603}}^1$

素因数の和:87419629

約数の個数: 16

約数和(自身を含む): 37765268928

約数和(自身を除く): 16959403414

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87419603, 174839206, 611937221, 1223874442, 1486133251, 2972266502, 10402932757, 20805865514]

約数ペア:

[(1, 20805865514), (2, 10402932757), (7, 2972266502), (14, 1486133251), (17, 1223874442), (34, 611937221), (119, 174839206), (238, 87419603)]