20869654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7793}}^1$

素因数の和:7911

約数の個数: 16

約数和(自身を含む): 34044192

約数和(自身を除く): 13174538

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7793, 15586, 101309, 202618, 802679, 1605358, 10434827, 20869654]

約数ペア:

[(1, 20869654), (2, 10434827), (13, 1605358), (26, 802679), (103, 202618), (206, 101309), (1339, 15586), (2678, 7793)]