20801172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247633}}^1$

素因数の和:247647

約数の個数: 24

約数和(自身を含む): 55470016

約数和(自身を除く): 34668844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247633, 495266, 742899, 990532, 1485798, 1733431, 2971596, 3466862, 5200293, 6933724, 10400586, 20801172]

約数ペア:

[(1, 20801172), (2, 10400586), (3, 6933724), (4, 5200293), (6, 3466862), (7, 2971596), (12, 1733431), (14, 1485798), (21, 990532), (28, 742899), (42, 495266), (84, 247633)]