20262978

素因数分解:

$2^1\times 3^2\times {\mathrm{1061}}^2$

素因数の和:2130

約数の個数: 18

約数和(自身を含む): 43944537

約数和(自身を除く): 23681559

約数列:

[1, 2, 3, 6, 9, 18, 1061, 2122, 3183, 6366, 9549, 19098, 1125721, 2251442, 3377163, 6754326, 10131489, 20262978]

約数ペア:

[(1, 20262978), (2, 10131489), (3, 6754326), (6, 3377163), (9, 2251442), (18, 1125721), (1061, 19098), (2122, 9549), (3183, 6366)]