20522656

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8329}}^1$

素因数の和:8357

約数の個数: 48

約数和(自身を含む): 50379840

約数和(自身を除く): 29857184

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, 8329, 16658, 33316, 58303, 66632, 91619, 116606, 133264, 183238, 233212, 266528, 366476, 466424, 641333, 732952, 932848, 1282666, 1465904, 1865696, 2565332, 2931808, 5130664, 10261328, 20522656]

約数ペア:

[(1, 20522656), (2, 10261328), (4, 5130664), (7, 2931808), (8, 2565332), (11, 1865696), (14, 1465904), (16, 1282666), (22, 932848), (28, 732952), (32, 641333), (44, 466424), (56, 366476), (77, 266528), (88, 233212), (112, 183238), (154, 133264), (176, 116606), (224, 91619), (308, 66632), (352, 58303), (616, 33316), (1232, 16658), (2464, 8329)]