20730984

素因数分解:

$2^3\times 3^1\times {\mathrm{353}}^1\times {\mathrm{2447}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 51995520

約数和(自身を除く): 31264536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 353, 706, 1059, 1412, 2118, 2447, 2824, 4236, 4894, 7341, 8472, 9788, 14682, 19576, 29364, 58728, 863791, 1727582, 2591373, 3455164, 5182746, 6910328, 10365492, 20730984]

約数ペア:

[(1, 20730984), (2, 10365492), (3, 6910328), (4, 5182746), (6, 3455164), (8, 2591373), (12, 1727582), (24, 863791), (353, 58728), (706, 29364), (1059, 19576), (1412, 14682), (2118, 9788), (2447, 8472), (2824, 7341), (4236, 4894)]