20806865274

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1289}}^1\times {\mathrm{15919}}^1$

素因数の和:17239

約数の個数: 48

約数和(自身を含む): 45098812800

約数和(自身を除く): 24291947526

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 1289, 2578, 3867, 7734, 15919, 16757, 31838, 33514, 47757, 50271, 95514, 100542, 206947, 217841, 413894, 435682, 620841, 653523, 1241682, 1307046, 2690311, 5380622, 8070933, 16141866, 20519591, 41039182, 61558773, 123117546, 266754683, 533509366, 800264049, 1600528098, 3467810879, 6935621758, 10403432637, 20806865274]

約数ペア:

[(1, 20806865274), (2, 10403432637), (3, 6935621758), (6, 3467810879), (13, 1600528098), (26, 800264049), (39, 533509366), (78, 266754683), (169, 123117546), (338, 61558773), (507, 41039182), (1014, 20519591), (1289, 16141866), (2578, 8070933), (3867, 5380622), (7734, 2690311), (15919, 1307046), (16757, 1241682), (31838, 653523), (33514, 620841), (47757, 435682), (50271, 413894), (95514, 217841), (100542, 206947)]