20216918852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388786901}}^1$

素因数の和:388786918

約数の個数: 12

約数和(自身を含む): 38101116396

約数和(自身を除く): 17884197544

約数列:

[1, 2, 4, 13, 26, 52, 388786901, 777573802, 1555147604, 5054229713, 10108459426, 20216918852]

約数ペア:

[(1, 20216918852), (2, 10108459426), (4, 5054229713), (13, 1555147604), (26, 777573802), (52, 388786901)]