20703496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 45256320

約数和(自身を除く): 24552824

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 53, 88, 92, 106, 184, 193, 212, 253, 386, 424, 506, 583, 772, 1012, 1166, 1219, 1544, 2024, 2123, 2332, 2438, 4246, 4439, 4664, 4876, 8492, 8878, 9752, 10229, 13409, 16984, 17756, 20458, 26818, 35512, 40916, 48829, 53636, 81832, 97658, 107272, 112519, 195316, 225038, 235267, 390632, 450076, 470534, 900152, 941068, 1882136, 2587937, 5175874, 10351748, 20703496]

約数ペア:

[(1, 20703496), (2, 10351748), (4, 5175874), (8, 2587937), (11, 1882136), (22, 941068), (23, 900152), (44, 470534), (46, 450076), (53, 390632), (88, 235267), (92, 225038), (106, 195316), (184, 112519), (193, 107272), (212, 97658), (253, 81832), (386, 53636), (424, 48829), (506, 40916), (583, 35512), (772, 26818), (1012, 20458), (1166, 17756), (1219, 16984), (1544, 13409), (2024, 10229), (2123, 9752), (2332, 8878), (2438, 8492), (4246, 4876), (4439, 4664)]