20837982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 45777024

約数和(自身を除く): 24939042

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 314, 471, 942, 1727, 2011, 3454, 4022, 5181, 6033, 10362, 12066, 22121, 44242, 66363, 132726, 315727, 631454, 947181, 1894362, 3472997, 6945994, 10418991, 20837982]

約数ペア:

[(1, 20837982), (2, 10418991), (3, 6945994), (6, 3472997), (11, 1894362), (22, 947181), (33, 631454), (66, 315727), (157, 132726), (314, 66363), (471, 44242), (942, 22121), (1727, 12066), (2011, 10362), (3454, 6033), (4022, 5181)]