20742304

素因数分解:

$2^5\times {\mathrm{11}}^3\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 45009216

約数和(自身を除く): 24266912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 487, 968, 974, 1331, 1936, 1948, 2662, 3872, 3896, 5324, 5357, 7792, 10648, 10714, 15584, 21296, 21428, 42592, 42856, 58927, 85712, 117854, 171424, 235708, 471416, 648197, 942832, 1296394, 1885664, 2592788, 5185576, 10371152, 20742304]

約数ペア:

[(1, 20742304), (2, 10371152), (4, 5185576), (8, 2592788), (11, 1885664), (16, 1296394), (22, 942832), (32, 648197), (44, 471416), (88, 235708), (121, 171424), (176, 117854), (242, 85712), (352, 58927), (484, 42856), (487, 42592), (968, 21428), (974, 21296), (1331, 15584), (1936, 10714), (1948, 10648), (2662, 7792), (3872, 5357), (3896, 5324)]