20940944

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27847}}^1$

素因数の和:27902

約数の個数: 20

約数和(自身を含む): 41437824

約数和(自身を除く): 20496880

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27847, 55694, 111388, 222776, 445552, 1308809, 2617618, 5235236, 10470472, 20940944]

約数ペア:

[(1, 20940944), (2, 10470472), (4, 5235236), (8, 2617618), (16, 1308809), (47, 445552), (94, 222776), (188, 111388), (376, 55694), (752, 27847)]