20263680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1759}}^1$

素因数の和:1786

約数の個数: 108

約数和(自身を含む): 70150080

約数和(自身を除く): 49886400

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, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1759, 1920, 2304, 2880, 3518, 3840, 5277, 5760, 7036, 8795, 10554, 11520, 14072, 15831, 17590, 21108, 26385, 28144, 31662, 35180, 42216, 52770, 56288, 63324, 70360, 79155, 84432, 105540, 112576, 126648, 140720, 158310, 168864, 211080, 225152, 253296, 281440, 316620, 337728, 422160, 450304, 506592, 562880, 633240, 675456, 844320, 1013184, 1125760, 1266480, 1350912, 1688640, 2026368, 2251520, 2532960, 3377280, 4052736, 5065920, 6754560, 10131840, 20263680]

約数ペア:

[(1, 20263680), (2, 10131840), (3, 6754560), (4, 5065920), (5, 4052736), (6, 3377280), (8, 2532960), (9, 2251520), (10, 2026368), (12, 1688640), (15, 1350912), (16, 1266480), (18, 1125760), (20, 1013184), (24, 844320), (30, 675456), (32, 633240), (36, 562880), (40, 506592), (45, 450304), (48, 422160), (60, 337728), (64, 316620), (72, 281440), (80, 253296), (90, 225152), (96, 211080), (120, 168864), (128, 158310), (144, 140720), (160, 126648), (180, 112576), (192, 105540), (240, 84432), (256, 79155), (288, 70360), (320, 63324), (360, 56288), (384, 52770), (480, 42216), (576, 35180), (640, 31662), (720, 28144), (768, 26385), (960, 21108), (1152, 17590), (1280, 15831), (1440, 14072), (1759, 11520), (1920, 10554), (2304, 8795), (2880, 7036), (3518, 5760), (3840, 5277)]