20137803

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 12386997

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 769, 903, 1247, 2307, 3741, 5383, 8729, 16149, 22301, 26187, 33067, 66903, 99201, 156107, 231469, 468321, 694407, 958943, 2876829, 6712601, 20137803]

約数ペア:

[(1, 20137803), (3, 6712601), (7, 2876829), (21, 958943), (29, 694407), (43, 468321), (87, 231469), (129, 156107), (203, 99201), (301, 66903), (609, 33067), (769, 26187), (903, 22301), (1247, 16149), (2307, 8729), (3741, 5383)]