20970000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{233}}^1$

素因数の和:267

約数の個数: 150

約数和(自身を含む): 73649862

約数和(自身を除く): 52679862

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 233, 240, 250, 300, 360, 375, 400, 450, 466, 500, 600, 625, 699, 720, 750, 900, 932, 1000, 1125, 1165, 1200, 1250, 1398, 1500, 1800, 1864, 1875, 2000, 2097, 2250, 2330, 2500, 2796, 3000, 3495, 3600, 3728, 3750, 4194, 4500, 4660, 5000, 5592, 5625, 5825, 6000, 6990, 7500, 8388, 9000, 9320, 10000, 10485, 11184, 11250, 11650, 13980, 15000, 16776, 17475, 18000, 18640, 20970, 22500, 23300, 27960, 29125, 30000, 33552, 34950, 41940, 45000, 46600, 52425, 55920, 58250, 69900, 83880, 87375, 90000, 93200, 104850, 116500, 139800, 145625, 167760, 174750, 209700, 233000, 262125, 279600, 291250, 349500, 419400, 436875, 466000, 524250, 582500, 699000, 838800, 873750, 1048500, 1165000, 1310625, 1398000, 1747500, 2097000, 2330000, 2621250, 3495000, 4194000, 5242500, 6990000, 10485000, 20970000]

約数ペア:

[(1, 20970000), (2, 10485000), (3, 6990000), (4, 5242500), (5, 4194000), (6, 3495000), (8, 2621250), (9, 2330000), (10, 2097000), (12, 1747500), (15, 1398000), (16, 1310625), (18, 1165000), (20, 1048500), (24, 873750), (25, 838800), (30, 699000), (36, 582500), (40, 524250), (45, 466000), (48, 436875), (50, 419400), (60, 349500), (72, 291250), (75, 279600), (80, 262125), (90, 233000), (100, 209700), (120, 174750), (125, 167760), (144, 145625), (150, 139800), (180, 116500), (200, 104850), (225, 93200), (233, 90000), (240, 87375), (250, 83880), (300, 69900), (360, 58250), (375, 55920), (400, 52425), (450, 46600), (466, 45000), (500, 41940), (600, 34950), (625, 33552), (699, 30000), (720, 29125), (750, 27960), (900, 23300), (932, 22500), (1000, 20970), (1125, 18640), (1165, 18000), (1200, 17475), (1250, 16776), (1398, 15000), (1500, 13980), (1800, 11650), (1864, 11250), (1875, 11184), (2000, 10485), (2097, 10000), (2250, 9320), (2330, 9000), (2500, 8388), (2796, 7500), (3000, 6990), (3495, 6000), (3600, 5825), (3728, 5625), (3750, 5592), (4194, 5000), (4500, 4660)]