20378201856

素因数分解:

$2^8\times 3^1\times {\mathrm{647}}^1\times {\mathrm{41011}}^1$

素因数の和:41677

約数の個数: 72

約数和(自身を含む): 54320886144

約数和(自身を除く): 33942684288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 647, 768, 1294, 1941, 2588, 3882, 5176, 7764, 10352, 15528, 20704, 31056, 41011, 41408, 62112, 82022, 82816, 123033, 124224, 164044, 165632, 246066, 248448, 328088, 492132, 496896, 656176, 984264, 1312352, 1968528, 2624704, 3937056, 5249408, 7874112, 10498816, 15748224, 26534117, 31496448, 53068234, 79602351, 106136468, 159204702, 212272936, 318409404, 424545872, 636818808, 849091744, 1273637616, 1698183488, 2547275232, 3396366976, 5094550464, 6792733952, 10189100928, 20378201856]

約数ペア:

[(1, 20378201856), (2, 10189100928), (3, 6792733952), (4, 5094550464), (6, 3396366976), (8, 2547275232), (12, 1698183488), (16, 1273637616), (24, 849091744), (32, 636818808), (48, 424545872), (64, 318409404), (96, 212272936), (128, 159204702), (192, 106136468), (256, 79602351), (384, 53068234), (647, 31496448), (768, 26534117), (1294, 15748224), (1941, 10498816), (2588, 7874112), (3882, 5249408), (5176, 3937056), (7764, 2624704), (10352, 1968528), (15528, 1312352), (20704, 984264), (31056, 656176), (41011, 496896), (41408, 492132), (62112, 328088), (82022, 248448), (82816, 246066), (123033, 165632), (124224, 164044)]