20366456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1163}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 21537544

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1163, 1592, 2189, 2326, 4378, 4652, 8756, 9304, 12793, 17512, 25586, 51172, 102344, 231437, 462874, 925748, 1851496, 2545807, 5091614, 10183228, 20366456]

約数ペア:

[(1, 20366456), (2, 10183228), (4, 5091614), (8, 2545807), (11, 1851496), (22, 925748), (44, 462874), (88, 231437), (199, 102344), (398, 51172), (796, 25586), (1163, 17512), (1592, 12793), (2189, 9304), (2326, 8756), (4378, 4652)]