20806767075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{26449}}^1$

素因数の和:27096

約数の個数: 48

約数和(自身を含む): 36484495200

約数和(自身を除く): 15677728125

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 617, 1275, 1851, 3085, 9255, 10489, 15425, 26449, 31467, 46275, 52445, 79347, 132245, 157335, 262225, 396735, 449633, 661225, 786675, 1348899, 1983675, 2248165, 6744495, 11240825, 16319033, 33722475, 48957099, 81595165, 244785495, 277423561, 407975825, 832270683, 1223927475, 1387117805, 4161353415, 6935589025, 20806767075]

約数ペア:

[(1, 20806767075), (3, 6935589025), (5, 4161353415), (15, 1387117805), (17, 1223927475), (25, 832270683), (51, 407975825), (75, 277423561), (85, 244785495), (255, 81595165), (425, 48957099), (617, 33722475), (1275, 16319033), (1851, 11240825), (3085, 6744495), (9255, 2248165), (10489, 1983675), (15425, 1348899), (26449, 786675), (31467, 661225), (46275, 449633), (52445, 396735), (79347, 262225), (132245, 157335)]