20208848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:795

約数の個数: 40

約数和(自身を含む): 43003200

約数和(自身を除く): 22794352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 199, 398, 577, 796, 1154, 1592, 2189, 2308, 3184, 4378, 4616, 6347, 8756, 9232, 12694, 17512, 25388, 35024, 50776, 101552, 114823, 229646, 459292, 918584, 1263053, 1837168, 2526106, 5052212, 10104424, 20208848]

約数ペア:

[(1, 20208848), (2, 10104424), (4, 5052212), (8, 2526106), (11, 1837168), (16, 1263053), (22, 918584), (44, 459292), (88, 229646), (176, 114823), (199, 101552), (398, 50776), (577, 35024), (796, 25388), (1154, 17512), (1592, 12694), (2189, 9232), (2308, 8756), (3184, 6347), (4378, 4616)]