20518446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1129}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 44422560

約数和(自身を除く): 23904114

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 233, 466, 699, 1129, 1398, 2258, 3029, 3387, 6058, 6774, 9087, 14677, 18174, 29354, 44031, 88062, 263057, 526114, 789171, 1578342, 3419741, 6839482, 10259223, 20518446]

約数ペア:

[(1, 20518446), (2, 10259223), (3, 6839482), (6, 3419741), (13, 1578342), (26, 789171), (39, 526114), (78, 263057), (233, 88062), (466, 44031), (699, 29354), (1129, 18174), (1398, 14677), (2258, 9087), (3029, 6774), (3387, 6058)]