20717123119

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{24373}}^1$

素因数の和:24500

約数の個数: 48

約数和(自身を含む): 28008650880

約数和(自身を除く): 7291527761

約数列:

[1, 7, 11, 19, 49, 77, 83, 133, 209, 539, 581, 913, 931, 1463, 1577, 4067, 6391, 10241, 11039, 17347, 24373, 44737, 77273, 121429, 170611, 268103, 463087, 850003, 1194277, 1876721, 2022959, 3241609, 5093957, 13137047, 14160713, 22252549, 22691263, 35657699, 38436221, 99124991, 155767843, 249603893, 269053547, 422798431, 1090374901, 1883374829, 2959589017, 20717123119]

約数ペア:

[(1, 20717123119), (7, 2959589017), (11, 1883374829), (19, 1090374901), (49, 422798431), (77, 269053547), (83, 249603893), (133, 155767843), (209, 99124991), (539, 38436221), (581, 35657699), (913, 22691263), (931, 22252549), (1463, 14160713), (1577, 13137047), (4067, 5093957), (6391, 3241609), (10241, 2022959), (11039, 1876721), (17347, 1194277), (24373, 850003), (44737, 463087), (77273, 268103), (121429, 170611)]