20198941

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 4373219

約数列:

[1, 7, 17, 119, 269, 631, 1883, 4417, 4573, 10727, 32011, 75089, 169739, 1188173, 2885563, 20198941]

約数ペア:

[(1, 20198941), (7, 2885563), (17, 1188173), (119, 169739), (269, 75089), (631, 32011), (1883, 10727), (4417, 4573)]