20815568

素因数分解:

$2^4\times {\mathrm{1069}}^1\times {\mathrm{1217}}^1$

素因数の和:2294

約数の個数: 20

約数和(自身を含む): 40401060

約数和(自身を除く): 19585492

約数列:

[1, 2, 4, 8, 16, 1069, 1217, 2138, 2434, 4276, 4868, 8552, 9736, 17104, 19472, 1300973, 2601946, 5203892, 10407784, 20815568]

約数ペア:

[(1, 20815568), (2, 10407784), (4, 5203892), (8, 2601946), (16, 1300973), (1069, 19472), (1217, 17104), (2138, 9736), (2434, 8552), (4276, 4868)]