20983680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3643}}^1$

素因数の和:3668

約数の個数: 96

約数和(自身を含む): 72479160

約数和(自身を除く): 51495480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3643, 5760, 7286, 10929, 14572, 18215, 21858, 29144, 32787, 36430, 43716, 54645, 58288, 65574, 72860, 87432, 109290, 116576, 131148, 145720, 163935, 174864, 218580, 233152, 262296, 291440, 327870, 349728, 437160, 466304, 524592, 582880, 655740, 699456, 874320, 1049184, 1165760, 1311480, 1398912, 1748640, 2098368, 2331520, 2622960, 3497280, 4196736, 5245920, 6994560, 10491840, 20983680]

約数ペア:

[(1, 20983680), (2, 10491840), (3, 6994560), (4, 5245920), (5, 4196736), (6, 3497280), (8, 2622960), (9, 2331520), (10, 2098368), (12, 1748640), (15, 1398912), (16, 1311480), (18, 1165760), (20, 1049184), (24, 874320), (30, 699456), (32, 655740), (36, 582880), (40, 524592), (45, 466304), (48, 437160), (60, 349728), (64, 327870), (72, 291440), (80, 262296), (90, 233152), (96, 218580), (120, 174864), (128, 163935), (144, 145720), (160, 131148), (180, 116576), (192, 109290), (240, 87432), (288, 72860), (320, 65574), (360, 58288), (384, 54645), (480, 43716), (576, 36430), (640, 32787), (720, 29144), (960, 21858), (1152, 18215), (1440, 14572), (1920, 10929), (2880, 7286), (3643, 5760)]