20775293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4027}}^1$

素因数の和:4112

約数の個数: 16

約数和(自身を含む): 26294784

約数和(自身を除く): 5519491

約数列:

[1, 7, 11, 67, 77, 469, 737, 4027, 5159, 28189, 44297, 269809, 310079, 1888663, 2967899, 20775293]

約数ペア:

[(1, 20775293), (7, 2967899), (11, 1888663), (67, 310079), (77, 269809), (469, 44297), (737, 28189), (4027, 5159)]