20105648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66137}}^1$

素因数の和:66164

約数の個数: 20

約数和(自身を含む): 41005560

約数和(自身を除く): 20899912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66137, 132274, 264548, 529096, 1058192, 1256603, 2513206, 5026412, 10052824, 20105648]

約数ペア:

[(1, 20105648), (2, 10052824), (4, 5026412), (8, 2513206), (16, 1256603), (19, 1058192), (38, 529096), (76, 264548), (152, 132274), (304, 66137)]