20934045

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 42375168

約数和(自身を除く): 21441123

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 81, 99, 111, 127, 135, 165, 185, 297, 333, 381, 405, 407, 495, 555, 635, 891, 999, 1143, 1221, 1397, 1485, 1665, 1905, 2035, 2997, 3429, 3663, 4191, 4455, 4699, 4995, 5715, 6105, 6985, 10287, 10989, 12573, 14097, 14985, 17145, 18315, 20955, 23495, 32967, 37719, 42291, 51435, 51689, 54945, 62865, 70485, 113157, 126873, 155067, 164835, 188595, 211455, 258445, 380619, 465201, 565785, 634365, 775335, 1395603, 1903095, 2326005, 4186809, 6978015, 20934045]

約数ペア:

[(1, 20934045), (3, 6978015), (5, 4186809), (9, 2326005), (11, 1903095), (15, 1395603), (27, 775335), (33, 634365), (37, 565785), (45, 465201), (55, 380619), (81, 258445), (99, 211455), (111, 188595), (127, 164835), (135, 155067), (165, 126873), (185, 113157), (297, 70485), (333, 62865), (381, 54945), (405, 51689), (407, 51435), (495, 42291), (555, 37719), (635, 32967), (891, 23495), (999, 20955), (1143, 18315), (1221, 17145), (1397, 14985), (1485, 14097), (1665, 12573), (1905, 10989), (2035, 10287), (2997, 6985), (3429, 6105), (3663, 5715), (4191, 4995), (4455, 4699)]