20672113

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4007}}^1$

素因数の和:4092

約数の個数: 16

約数和(自身を含む): 26164224

約数和(自身を除く): 5492111

約数列:

[1, 7, 11, 67, 77, 469, 737, 4007, 5159, 28049, 44077, 268469, 308539, 1879283, 2953159, 20672113]

約数ペア:

[(1, 20672113), (7, 2953159), (11, 1879283), (67, 308539), (77, 268469), (469, 44077), (737, 28049), (4007, 5159)]