20611568

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27409}}^1$

素因数の和:27464

約数の個数: 20

約数和(自身を含む): 40786080

約数和(自身を除く): 20174512

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27409, 54818, 109636, 219272, 438544, 1288223, 2576446, 5152892, 10305784, 20611568]

約数ペア:

[(1, 20611568), (2, 10305784), (4, 5152892), (8, 2576446), (16, 1288223), (47, 438544), (94, 219272), (188, 109636), (376, 54818), (752, 27409)]