20643392

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 32026048

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 59, 64, 71, 77, 88, 112, 118, 142, 154, 176, 224, 236, 284, 308, 352, 413, 448, 472, 497, 568, 616, 649, 704, 781, 826, 944, 994, 1136, 1232, 1298, 1562, 1652, 1888, 1988, 2272, 2464, 2596, 3124, 3304, 3776, 3976, 4189, 4543, 4544, 4928, 5192, 5467, 6248, 6608, 7952, 8378, 9086, 10384, 10934, 12496, 13216, 15904, 16756, 18172, 20768, 21868, 24992, 26432, 29323, 31808, 33512, 36344, 41536, 43736, 46079, 49984, 58646, 67024, 72688, 87472, 92158, 117292, 134048, 145376, 174944, 184316, 234584, 268096, 290752, 322553, 349888, 368632, 469168, 645106, 737264, 938336, 1290212, 1474528, 1876672, 2580424, 2949056, 5160848, 10321696, 20643392]

約数ペア:

[(1, 20643392), (2, 10321696), (4, 5160848), (7, 2949056), (8, 2580424), (11, 1876672), (14, 1474528), (16, 1290212), (22, 938336), (28, 737264), (32, 645106), (44, 469168), (56, 368632), (59, 349888), (64, 322553), (71, 290752), (77, 268096), (88, 234584), (112, 184316), (118, 174944), (142, 145376), (154, 134048), (176, 117292), (224, 92158), (236, 87472), (284, 72688), (308, 67024), (352, 58646), (413, 49984), (448, 46079), (472, 43736), (497, 41536), (568, 36344), (616, 33512), (649, 31808), (704, 29323), (781, 26432), (826, 24992), (944, 21868), (994, 20768), (1136, 18172), (1232, 16756), (1298, 15904), (1562, 13216), (1652, 12496), (1888, 10934), (1988, 10384), (2272, 9086), (2464, 8378), (2596, 7952), (3124, 6608), (3304, 6248), (3776, 5467), (3976, 5192), (4189, 4928), (4543, 4544)]