20009196

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10487}}^1$

素因数の和:10550

約数の個数: 36

約数和(自身を含む): 51538032

約数和(自身を除く): 31528836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10487, 20974, 31461, 41948, 62922, 94383, 125844, 188766, 377532, 555811, 1111622, 1667433, 2223244, 3334866, 5002299, 6669732, 10004598, 20009196]

約数ペア:

[(1, 20009196), (2, 10004598), (3, 6669732), (4, 5002299), (6, 3334866), (9, 2223244), (12, 1667433), (18, 1111622), (36, 555811), (53, 377532), (106, 188766), (159, 125844), (212, 94383), (318, 62922), (477, 41948), (636, 31461), (954, 20974), (1908, 10487)]