20545784

素因数分解:

$2^3\times 7^1\times {\mathrm{366889}}^1$

素因数の和:366902

約数の個数: 16

約数和(自身を含む): 44026800

約数和(自身を除く): 23481016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366889, 733778, 1467556, 2568223, 2935112, 5136446, 10272892, 20545784]

約数ペア:

[(1, 20545784), (2, 10272892), (4, 5136446), (7, 2935112), (8, 2568223), (14, 1467556), (28, 733778), (56, 366889)]