20699415

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 20357865

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 53, 55, 99, 135, 159, 165, 263, 265, 297, 477, 495, 583, 789, 795, 1315, 1431, 1485, 1749, 2367, 2385, 2893, 2915, 3945, 5247, 7101, 7155, 8679, 8745, 11835, 13939, 14465, 15741, 26037, 26235, 35505, 41817, 43395, 69695, 78111, 78705, 125451, 130185, 153329, 209085, 376353, 390555, 459987, 627255, 766645, 1379961, 1881765, 2299935, 4139883, 6899805, 20699415]

約数ペア:

[(1, 20699415), (3, 6899805), (5, 4139883), (9, 2299935), (11, 1881765), (15, 1379961), (27, 766645), (33, 627255), (45, 459987), (53, 390555), (55, 376353), (99, 209085), (135, 153329), (159, 130185), (165, 125451), (263, 78705), (265, 78111), (297, 69695), (477, 43395), (495, 41817), (583, 35505), (789, 26235), (795, 26037), (1315, 15741), (1431, 14465), (1485, 13939), (1749, 11835), (2367, 8745), (2385, 8679), (2893, 7155), (2915, 7101), (3945, 5247)]