20160986272

素因数分解:

$2^5\times 7^1\times {\mathrm{3221}}^1\times {\mathrm{27943}}^1$

素因数の和:31181

約数の個数: 48

約数和(自身を含む): 45377926272

約数和(自身を除く): 25216940000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 3221, 6442, 12884, 22547, 25768, 27943, 45094, 51536, 55886, 90188, 103072, 111772, 180376, 195601, 223544, 360752, 391202, 447088, 721504, 782404, 894176, 1564808, 3129616, 6259232, 90004403, 180008806, 360017612, 630030821, 720035224, 1260061642, 1440070448, 2520123284, 2880140896, 5040246568, 10080493136, 20160986272]

約数ペア:

[(1, 20160986272), (2, 10080493136), (4, 5040246568), (7, 2880140896), (8, 2520123284), (14, 1440070448), (16, 1260061642), (28, 720035224), (32, 630030821), (56, 360017612), (112, 180008806), (224, 90004403), (3221, 6259232), (6442, 3129616), (12884, 1564808), (22547, 894176), (25768, 782404), (27943, 721504), (45094, 447088), (51536, 391202), (55886, 360752), (90188, 223544), (103072, 195601), (111772, 180376)]