20060649

素因数分解:

$3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 35294400

約数和(自身を除く): 15233751

約数列:

[1, 3, 7, 9, 21, 27, 49, 59, 63, 147, 177, 189, 257, 413, 441, 531, 771, 1239, 1323, 1593, 1799, 2313, 2891, 3717, 5397, 6939, 8673, 11151, 12593, 15163, 16191, 26019, 37779, 45489, 48573, 78057, 106141, 113337, 136467, 318423, 340011, 409401, 742987, 955269, 2228961, 2865807, 6686883, 20060649]

約数ペア:

[(1, 20060649), (3, 6686883), (7, 2865807), (9, 2228961), (21, 955269), (27, 742987), (49, 409401), (59, 340011), (63, 318423), (147, 136467), (177, 113337), (189, 106141), (257, 78057), (413, 48573), (441, 45489), (531, 37779), (771, 26019), (1239, 16191), (1323, 15163), (1593, 12593), (1799, 11151), (2313, 8673), (2891, 6939), (3717, 5397)]