20493088

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8317}}^1$

素因数の和:8345

約数の個数: 48

約数和(自身を含む): 50307264

約数和(自身を除く): 29814176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8317, 16634, 33268, 58219, 66536, 91487, 116438, 133072, 182974, 232876, 266144, 365948, 465752, 640409, 731896, 931504, 1280818, 1463792, 1863008, 2561636, 2927584, 5123272, 10246544, 20493088]

約数ペア:

[(1, 20493088), (2, 10246544), (4, 5123272), (7, 2927584), (8, 2561636), (11, 1863008), (14, 1463792), (16, 1280818), (22, 931504), (28, 731896), (32, 640409), (44, 465752), (56, 365948), (77, 266144), (88, 232876), (112, 182974), (154, 133072), (176, 116438), (224, 91487), (308, 66536), (352, 58219), (616, 33268), (1232, 16634), (2464, 8317)]