20126946385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{16033}}^1$

素因数の和:16178

約数の個数: 64

約数和(自身を含む): 31031562240

約数和(自身を除く): 10904615855

約数列:

[1, 5, 7, 13, 31, 35, 65, 89, 91, 155, 217, 403, 445, 455, 623, 1085, 1157, 2015, 2759, 2821, 3115, 5785, 8099, 13795, 14105, 16033, 19313, 35867, 40495, 80165, 96565, 112231, 179335, 208429, 251069, 497023, 561155, 1042145, 1255345, 1426937, 1459003, 2485115, 3479161, 6461299, 7134685, 7295015, 9988559, 17395805, 18550181, 32306495, 44235047, 45229093, 49942795, 92750905, 129851267, 221175235, 226145465, 309645329, 575055611, 649256335, 1548226645, 2875278055, 4025389277, 20126946385]

約数ペア:

[(1, 20126946385), (5, 4025389277), (7, 2875278055), (13, 1548226645), (31, 649256335), (35, 575055611), (65, 309645329), (89, 226145465), (91, 221175235), (155, 129851267), (217, 92750905), (403, 49942795), (445, 45229093), (455, 44235047), (623, 32306495), (1085, 18550181), (1157, 17395805), (2015, 9988559), (2759, 7295015), (2821, 7134685), (3115, 6461299), (5785, 3479161), (8099, 2485115), (13795, 1459003), (14105, 1426937), (16033, 1255345), (19313, 1042145), (35867, 561155), (40495, 497023), (80165, 251069), (96565, 208429), (112231, 179335)]