20689452

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27367}}^1$

素因数の和:27387

約数の個数: 48

約数和(自身を含む): 61304320

約数和(自身を除く): 40614868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27367, 54734, 82101, 109468, 164202, 191569, 246303, 328404, 383138, 492606, 574707, 738909, 766276, 985212, 1149414, 1477818, 1724121, 2298828, 2955636, 3448242, 5172363, 6896484, 10344726, 20689452]

約数ペア:

[(1, 20689452), (2, 10344726), (3, 6896484), (4, 5172363), (6, 3448242), (7, 2955636), (9, 2298828), (12, 1724121), (14, 1477818), (18, 1149414), (21, 985212), (27, 766276), (28, 738909), (36, 574707), (42, 492606), (54, 383138), (63, 328404), (84, 246303), (108, 191569), (126, 164202), (189, 109468), (252, 82101), (378, 54734), (756, 27367)]