20524185

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 42653952

約数和(自身を除く): 22129767

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 255, 271, 297, 405, 459, 495, 561, 765, 813, 891, 935, 1355, 1377, 1485, 1683, 2295, 2439, 2805, 2981, 4065, 4455, 4607, 5049, 6885, 7317, 8415, 8943, 12195, 13821, 14905, 15147, 21951, 23035, 25245, 26829, 36585, 41463, 44715, 50677, 69105, 75735, 80487, 109755, 124389, 134145, 152031, 207315, 241461, 253385, 373167, 402435, 456093, 621945, 760155, 1207305, 1368279, 1865835, 2280465, 4104837, 6841395, 20524185]

約数ペア:

[(1, 20524185), (3, 6841395), (5, 4104837), (9, 2280465), (11, 1865835), (15, 1368279), (17, 1207305), (27, 760155), (33, 621945), (45, 456093), (51, 402435), (55, 373167), (81, 253385), (85, 241461), (99, 207315), (135, 152031), (153, 134145), (165, 124389), (187, 109755), (255, 80487), (271, 75735), (297, 69105), (405, 50677), (459, 44715), (495, 41463), (561, 36585), (765, 26829), (813, 25245), (891, 23035), (935, 21951), (1355, 15147), (1377, 14905), (1485, 13821), (1683, 12195), (2295, 8943), (2439, 8415), (2805, 7317), (2981, 6885), (4065, 5049), (4455, 4607)]