20688858

素因数分解:

$2^1\times 3^4\times {\mathrm{127709}}^1$

素因数の和:127723

約数の個数: 20

約数和(自身を含む): 46358730

約数和(自身を除く): 25669872

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127709, 255418, 383127, 766254, 1149381, 2298762, 3448143, 6896286, 10344429, 20688858]

約数ペア:

[(1, 20688858), (2, 10344429), (3, 6896286), (6, 3448143), (9, 2298762), (18, 1149381), (27, 766254), (54, 383127), (81, 255418), (162, 127709)]