20636160

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2687}}^1$

素因数の和:2713

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 45359616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2687, 3840, 5374, 7680, 8061, 10748, 13435, 16122, 21496, 26870, 32244, 40305, 42992, 53740, 64488, 80610, 85984, 107480, 128976, 161220, 171968, 214960, 257952, 322440, 343936, 429920, 515904, 644880, 687872, 859840, 1031808, 1289760, 1375744, 1719680, 2063616, 2579520, 3439360, 4127232, 5159040, 6878720, 10318080, 20636160]

約数ペア:

[(1, 20636160), (2, 10318080), (3, 6878720), (4, 5159040), (5, 4127232), (6, 3439360), (8, 2579520), (10, 2063616), (12, 1719680), (15, 1375744), (16, 1289760), (20, 1031808), (24, 859840), (30, 687872), (32, 644880), (40, 515904), (48, 429920), (60, 343936), (64, 322440), (80, 257952), (96, 214960), (120, 171968), (128, 161220), (160, 128976), (192, 107480), (240, 85984), (256, 80610), (320, 64488), (384, 53740), (480, 42992), (512, 40305), (640, 32244), (768, 26870), (960, 21496), (1280, 16122), (1536, 13435), (1920, 10748), (2560, 8061), (2687, 7680), (3840, 5374)]