20388994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8363}}^1$

素因数の和:8441

約数の個数: 16

約数和(自身を含む): 32519232

約数和(自身を除く): 12130238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8363, 16726, 192349, 384698, 443239, 886478, 10194497, 20388994]

約数ペア:

[(1, 20388994), (2, 10194497), (23, 886478), (46, 443239), (53, 384698), (106, 192349), (1219, 16726), (2438, 8363)]