20172001213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{49937}}^1$

素因数の和:50173

約数の個数: 32

約数和(自身を含む): 26041268736

約数和(自身を除く): 5869267523

約数列:

[1, 7, 13, 23, 91, 161, 193, 299, 1351, 2093, 2509, 4439, 17563, 31073, 49937, 57707, 349559, 403949, 649181, 1148551, 4544267, 8039857, 9637841, 14931163, 67464887, 104518141, 125291933, 221670343, 877043531, 1551692401, 2881714459, 20172001213]

約数ペア:

[(1, 20172001213), (7, 2881714459), (13, 1551692401), (23, 877043531), (91, 221670343), (161, 125291933), (193, 104518141), (299, 67464887), (1351, 14931163), (2093, 9637841), (2509, 8039857), (4439, 4544267), (17563, 1148551), (31073, 649181), (49937, 403949), (57707, 349559)]