20373584

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 31051696

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 719, 1012, 1232, 1288, 1438, 1771, 2024, 2576, 2876, 3542, 4048, 5033, 5752, 7084, 7909, 10066, 11504, 14168, 15818, 16537, 20132, 28336, 31636, 33074, 40264, 55363, 63272, 66148, 80528, 110726, 115759, 126544, 132296, 181907, 221452, 231518, 264592, 363814, 442904, 463036, 727628, 885808, 926072, 1273349, 1455256, 1852144, 2546698, 2910512, 5093396, 10186792, 20373584]

約数ペア:

[(1, 20373584), (2, 10186792), (4, 5093396), (7, 2910512), (8, 2546698), (11, 1852144), (14, 1455256), (16, 1273349), (22, 926072), (23, 885808), (28, 727628), (44, 463036), (46, 442904), (56, 363814), (77, 264592), (88, 231518), (92, 221452), (112, 181907), (154, 132296), (161, 126544), (176, 115759), (184, 110726), (253, 80528), (308, 66148), (322, 63272), (368, 55363), (506, 40264), (616, 33074), (644, 31636), (719, 28336), (1012, 20132), (1232, 16537), (1288, 15818), (1438, 14168), (1771, 11504), (2024, 10066), (2576, 7909), (2876, 7084), (3542, 5752), (4048, 5033)]