20805372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82561}}^1$

素因数の和:82578

約数の個数: 36

約数和(自身を含む): 60105136

約数和(自身を除く): 39299764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82561, 165122, 247683, 330244, 495366, 577927, 743049, 990732, 1155854, 1486098, 1733781, 2311708, 2972196, 3467562, 5201343, 6935124, 10402686, 20805372]

約数ペア:

[(1, 20805372), (2, 10402686), (3, 6935124), (4, 5201343), (6, 3467562), (7, 2972196), (9, 2311708), (12, 1733781), (14, 1486098), (18, 1155854), (21, 990732), (28, 743049), (36, 577927), (42, 495366), (63, 330244), (84, 247683), (126, 165122), (252, 82561)]