20480459779

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{4931}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 23862988800

約数和(自身を除く): 3382529021

約数列:

[1, 13, 23, 29, 299, 377, 479, 667, 4931, 6227, 8671, 11017, 13891, 64103, 113413, 142999, 143221, 180583, 319493, 1474369, 1858987, 2361949, 3288977, 4153409, 30705337, 42756701, 54324827, 68496521, 706222751, 890454773, 1575419983, 20480459779]

約数ペア:

[(1, 20480459779), (13, 1575419983), (23, 890454773), (29, 706222751), (299, 68496521), (377, 54324827), (479, 42756701), (667, 30705337), (4931, 4153409), (6227, 3288977), (8671, 2361949), (11017, 1858987), (13891, 1474369), (64103, 319493), (113413, 180583), (142999, 143221)]