20923836

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 52061184

約数和(自身を除く): 31137348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1613, 2162, 3226, 3243, 4324, 4839, 6452, 6486, 9678, 12972, 19356, 37099, 74198, 75811, 111297, 148396, 151622, 222594, 227433, 303244, 445188, 454866, 909732, 1743653, 3487306, 5230959, 6974612, 10461918, 20923836]

約数ペア:

[(1, 20923836), (2, 10461918), (3, 6974612), (4, 5230959), (6, 3487306), (12, 1743653), (23, 909732), (46, 454866), (47, 445188), (69, 303244), (92, 227433), (94, 222594), (138, 151622), (141, 148396), (188, 111297), (276, 75811), (282, 74198), (564, 37099), (1081, 19356), (1613, 12972), (2162, 9678), (3226, 6486), (3243, 6452), (4324, 4839)]