20326526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 16808194

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 139, 187, 253, 278, 289, 374, 391, 506, 578, 782, 1529, 2363, 3058, 3179, 3197, 4301, 4726, 6358, 6394, 6647, 8602, 13294, 25993, 35167, 40171, 51986, 54349, 70334, 73117, 80342, 108698, 146234, 441881, 597839, 883762, 923933, 1195678, 1847866, 10163263, 20326526]

約数ペア:

[(1, 20326526), (2, 10163263), (11, 1847866), (17, 1195678), (22, 923933), (23, 883762), (34, 597839), (46, 441881), (139, 146234), (187, 108698), (253, 80342), (278, 73117), (289, 70334), (374, 54349), (391, 51986), (506, 40171), (578, 35167), (782, 25993), (1529, 13294), (2363, 8602), (3058, 6647), (3179, 6394), (3197, 6358), (4301, 4726)]