42542020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3371}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 89506368

約数和(自身を除く): 46964348

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 3371, 6310, 6742, 12620, 13484, 16855, 33710, 67420, 2127101, 4254202, 8508404, 10635505, 21271010, 42542020]

約数ペア:

[(1, 42542020), (2, 21271010), (4, 10635505), (5, 8508404), (10, 4254202), (20, 2127101), (631, 67420), (1262, 33710), (2524, 16855), (3155, 13484), (3371, 12620), (6310, 6742)]