20272329

素因数分解:

$3^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 38400000

約数和(自身を除く): 18127671

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 199, 231, 297, 343, 441, 539, 597, 693, 1029, 1323, 1393, 1617, 1791, 2079, 2189, 3087, 3773, 4179, 4851, 5373, 6567, 9261, 9751, 11319, 12537, 14553, 15323, 19701, 29253, 33957, 37611, 45969, 59103, 68257, 87759, 101871, 107261, 137907, 204771, 263277, 321783, 413721, 614313, 750827, 965349, 1842939, 2252481, 2896047, 6757443, 20272329]

約数ペア:

[(1, 20272329), (3, 6757443), (7, 2896047), (9, 2252481), (11, 1842939), (21, 965349), (27, 750827), (33, 614313), (49, 413721), (63, 321783), (77, 263277), (99, 204771), (147, 137907), (189, 107261), (199, 101871), (231, 87759), (297, 68257), (343, 59103), (441, 45969), (539, 37611), (597, 33957), (693, 29253), (1029, 19701), (1323, 15323), (1393, 14553), (1617, 12537), (1791, 11319), (2079, 9751), (2189, 9261), (3087, 6567), (3773, 5373), (4179, 4851)]