20306819853

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1\times {\mathrm{1279}}^1$

素因数の和:2039

約数の個数: 64

約数和(自身を含む): 32312524800

約数和(自身を除く): 12005704947

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 691, 851, 999, 1279, 2073, 2553, 3837, 6219, 7659, 11511, 15893, 18657, 22977, 25567, 29417, 34533, 47323, 47679, 76701, 88251, 141969, 143037, 230103, 264753, 425907, 429111, 588041, 690309, 794259, 883789, 1088429, 1277721, 1764123, 2651367, 3265287, 5292369, 7954101, 9795861, 15877107, 20327147, 23862303, 29387583, 32700193, 60981441, 98100579, 182944323, 294301737, 548832969, 752104439, 882905211, 2256313317, 6768939951, 20306819853]

約数ペア:

[(1, 20306819853), (3, 6768939951), (9, 2256313317), (23, 882905211), (27, 752104439), (37, 548832969), (69, 294301737), (111, 182944323), (207, 98100579), (333, 60981441), (621, 32700193), (691, 29387583), (851, 23862303), (999, 20327147), (1279, 15877107), (2073, 9795861), (2553, 7954101), (3837, 5292369), (6219, 3265287), (7659, 2651367), (11511, 1764123), (15893, 1277721), (18657, 1088429), (22977, 883789), (25567, 794259), (29417, 690309), (34533, 588041), (47323, 429111), (47679, 425907), (76701, 264753), (88251, 230103), (141969, 143037)]