20072759

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4079}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 4733641

約数列:

[1, 7, 19, 37, 133, 259, 703, 4079, 4921, 28553, 77501, 150923, 542507, 1056461, 2867537, 20072759]

約数ペア:

[(1, 20072759), (7, 2867537), (19, 1056461), (37, 542507), (133, 150923), (259, 77501), (703, 28553), (4079, 4921)]