20778853108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1\times {\mathrm{10771}}^1$

素因数の和:12424

約数の個数: 48

約数和(自身を含む): 40891890816

約数和(自身を除く): 20113037708

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 1613, 3226, 6452, 10771, 20969, 21542, 37099, 41938, 43084, 74198, 83876, 140023, 148396, 247733, 280046, 482287, 495466, 560092, 964574, 990932, 1929148, 3220529, 6441058, 12882116, 17373623, 34747246, 69494492, 225857099, 399593329, 451714198, 799186658, 903428396, 1598373316, 5194713277, 10389426554, 20778853108]

約数ペア:

[(1, 20778853108), (2, 10389426554), (4, 5194713277), (13, 1598373316), (23, 903428396), (26, 799186658), (46, 451714198), (52, 399593329), (92, 225857099), (299, 69494492), (598, 34747246), (1196, 17373623), (1613, 12882116), (3226, 6441058), (6452, 3220529), (10771, 1929148), (20969, 990932), (21542, 964574), (37099, 560092), (41938, 495466), (43084, 482287), (74198, 280046), (83876, 247733), (140023, 148396)]