20824144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:859

約数の個数: 40

約数和(自身を含む): 44327520

約数和(自身を除く): 23503376

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 661, 716, 1322, 1432, 1969, 2644, 2864, 3938, 5288, 7271, 7876, 10576, 14542, 15752, 29084, 31504, 58168, 116336, 118319, 236638, 473276, 946552, 1301509, 1893104, 2603018, 5206036, 10412072, 20824144]

約数ペア:

[(1, 20824144), (2, 10412072), (4, 5206036), (8, 2603018), (11, 1893104), (16, 1301509), (22, 946552), (44, 473276), (88, 236638), (176, 118319), (179, 116336), (358, 58168), (661, 31504), (716, 29084), (1322, 15752), (1432, 14542), (1969, 10576), (2644, 7876), (2864, 7271), (3938, 5288)]