20207264

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 30595936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 59, 77, 88, 112, 118, 139, 154, 176, 224, 236, 278, 308, 352, 413, 472, 556, 616, 649, 826, 944, 973, 1112, 1232, 1298, 1529, 1652, 1888, 1946, 2224, 2464, 2596, 3058, 3304, 3892, 4448, 4543, 5192, 6116, 6608, 7784, 8201, 9086, 10384, 10703, 12232, 13216, 15568, 16402, 18172, 20768, 21406, 24464, 31136, 32804, 36344, 42812, 48928, 57407, 65608, 72688, 85624, 90211, 114814, 131216, 145376, 171248, 180422, 229628, 262432, 342496, 360844, 459256, 631477, 721688, 918512, 1262954, 1443376, 1837024, 2525908, 2886752, 5051816, 10103632, 20207264]

約数ペア:

[(1, 20207264), (2, 10103632), (4, 5051816), (7, 2886752), (8, 2525908), (11, 1837024), (14, 1443376), (16, 1262954), (22, 918512), (28, 721688), (32, 631477), (44, 459256), (56, 360844), (59, 342496), (77, 262432), (88, 229628), (112, 180422), (118, 171248), (139, 145376), (154, 131216), (176, 114814), (224, 90211), (236, 85624), (278, 72688), (308, 65608), (352, 57407), (413, 48928), (472, 42812), (556, 36344), (616, 32804), (649, 31136), (826, 24464), (944, 21406), (973, 20768), (1112, 18172), (1232, 16402), (1298, 15568), (1529, 13216), (1652, 12232), (1888, 10703), (1946, 10384), (2224, 9086), (2464, 8201), (2596, 7784), (3058, 6608), (3304, 6116), (3892, 5192), (4448, 4543)]