20748288

素因数分解:

$2^{11}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39792192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 307, 352, 384, 512, 528, 614, 704, 768, 921, 1024, 1056, 1228, 1408, 1536, 1842, 2048, 2112, 2456, 2816, 3072, 3377, 3684, 4224, 4912, 5632, 6144, 6754, 7368, 8448, 9824, 10131, 11264, 13508, 14736, 16896, 19648, 20262, 22528, 27016, 29472, 33792, 39296, 40524, 54032, 58944, 67584, 78592, 81048, 108064, 117888, 157184, 162096, 216128, 235776, 314368, 324192, 432256, 471552, 628736, 648384, 864512, 943104, 1296768, 1729024, 1886208, 2593536, 3458048, 5187072, 6916096, 10374144, 20748288]

約数ペア:

[(1, 20748288), (2, 10374144), (3, 6916096), (4, 5187072), (6, 3458048), (8, 2593536), (11, 1886208), (12, 1729024), (16, 1296768), (22, 943104), (24, 864512), (32, 648384), (33, 628736), (44, 471552), (48, 432256), (64, 324192), (66, 314368), (88, 235776), (96, 216128), (128, 162096), (132, 157184), (176, 117888), (192, 108064), (256, 81048), (264, 78592), (307, 67584), (352, 58944), (384, 54032), (512, 40524), (528, 39296), (614, 33792), (704, 29472), (768, 27016), (921, 22528), (1024, 20262), (1056, 19648), (1228, 16896), (1408, 14736), (1536, 13508), (1842, 11264), (2048, 10131), (2112, 9824), (2456, 8448), (2816, 7368), (3072, 6754), (3377, 6144), (3684, 5632), (4224, 4912)]