20582672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 44059680

約数和(自身を除く): 23477008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1328, 1409, 1826, 2818, 3652, 5636, 7304, 11272, 14608, 15499, 22544, 30998, 61996, 116947, 123992, 233894, 247984, 467788, 935576, 1286417, 1871152, 2572834, 5145668, 10291336, 20582672]

約数ペア:

[(1, 20582672), (2, 10291336), (4, 5145668), (8, 2572834), (11, 1871152), (16, 1286417), (22, 935576), (44, 467788), (83, 247984), (88, 233894), (166, 123992), (176, 116947), (332, 61996), (664, 30998), (913, 22544), (1328, 15499), (1409, 14608), (1826, 11272), (2818, 7304), (3652, 5636)]