20023641315

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{65717}}^1$

素因数の和:65829

約数の個数: 64

約数和(自身を含む): 37159585920

約数和(自身を除く): 17135944605

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 111, 135, 183, 185, 305, 333, 549, 555, 915, 999, 1647, 1665, 2257, 2745, 4995, 6771, 8235, 11285, 20313, 33855, 60939, 65717, 101565, 197151, 304695, 328585, 591453, 985755, 1774359, 2431529, 2957265, 4008737, 7294587, 8871795, 12026211, 12157645, 20043685, 21883761, 36078633, 36472935, 60131055, 65651283, 108235899, 109418805, 148323269, 180393165, 328256415, 444969807, 541179495, 741616345, 1334909421, 2224849035, 4004728263, 6674547105, 20023641315]

約数ペア:

[(1, 20023641315), (3, 6674547105), (5, 4004728263), (9, 2224849035), (15, 1334909421), (27, 741616345), (37, 541179495), (45, 444969807), (61, 328256415), (111, 180393165), (135, 148323269), (183, 109418805), (185, 108235899), (305, 65651283), (333, 60131055), (549, 36472935), (555, 36078633), (915, 21883761), (999, 20043685), (1647, 12157645), (1665, 12026211), (2257, 8871795), (2745, 7294587), (4995, 4008737), (6771, 2957265), (8235, 2431529), (11285, 1774359), (20313, 985755), (33855, 591453), (60939, 328585), (65717, 304695), (101565, 197151)]