20806561622

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1\times {\mathrm{6203}}^1$

素因数の和:7193

約数の個数: 64

約数和(自身を含む): 40652181504

約数和(自身を除く): 19845619882

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 947, 1771, 1894, 3542, 6203, 6629, 10417, 12406, 13258, 20834, 21781, 43421, 43562, 68233, 72919, 86842, 136466, 142669, 145838, 152467, 239591, 285338, 304934, 477631, 479182, 955262, 998683, 1569359, 1677137, 1997366, 3138718, 3354274, 5874241, 10985513, 11748482, 21971026, 41119687, 64616651, 82239374, 129233302, 135107543, 270215086, 452316557, 904633114, 945752801, 1486182973, 1891505602, 2972365946, 10403280811, 20806561622]

約数ペア:

[(1, 20806561622), (2, 10403280811), (7, 2972365946), (11, 1891505602), (14, 1486182973), (22, 945752801), (23, 904633114), (46, 452316557), (77, 270215086), (154, 135107543), (161, 129233302), (253, 82239374), (322, 64616651), (506, 41119687), (947, 21971026), (1771, 11748482), (1894, 10985513), (3542, 5874241), (6203, 3354274), (6629, 3138718), (10417, 1997366), (12406, 1677137), (13258, 1569359), (20834, 998683), (21781, 955262), (43421, 479182), (43562, 477631), (68233, 304934), (72919, 285338), (86842, 239591), (136466, 152467), (142669, 145838)]