20945156925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{12907}}^1$

素因数の和:13219

約数の個数: 96

約数和(自身を含む): 43331226624

約数和(自身を除く): 22386069699

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 281, 385, 525, 825, 843, 1155, 1405, 1925, 1967, 3091, 4215, 5775, 5901, 7025, 9273, 9835, 12907, 15455, 21075, 21637, 29505, 38721, 46365, 49175, 64535, 64911, 77275, 90349, 108185, 141977, 147525, 193605, 231825, 271047, 322675, 324555, 425931, 451745, 540925, 709885, 968025, 993839, 1355235, 1622775, 2129655, 2258725, 2981517, 3549425, 3626867, 4969195, 6776175, 10648275, 10880601, 14907585, 18134335, 24845975, 25388069, 39895537, 54403005, 74537925, 76164207, 90671675, 119686611, 126940345, 199477685, 272015025, 279268759, 380821035, 598433055, 634701725, 837806277, 997388425, 1396343795, 1904105175, 2992165275, 4189031385, 6981718975, 20945156925]

約数ペア:

[(1, 20945156925), (3, 6981718975), (5, 4189031385), (7, 2992165275), (11, 1904105175), (15, 1396343795), (21, 997388425), (25, 837806277), (33, 634701725), (35, 598433055), (55, 380821035), (75, 279268759), (77, 272015025), (105, 199477685), (165, 126940345), (175, 119686611), (231, 90671675), (275, 76164207), (281, 74537925), (385, 54403005), (525, 39895537), (825, 25388069), (843, 24845975), (1155, 18134335), (1405, 14907585), (1925, 10880601), (1967, 10648275), (3091, 6776175), (4215, 4969195), (5775, 3626867), (5901, 3549425), (7025, 2981517), (9273, 2258725), (9835, 2129655), (12907, 1622775), (15455, 1355235), (21075, 993839), (21637, 968025), (29505, 709885), (38721, 540925), (46365, 451745), (49175, 425931), (64535, 324555), (64911, 322675), (77275, 271047), (90349, 231825), (108185, 193605), (141977, 147525)]