20163639987

素因数分解:

$3^4\times {\mathrm{11909}}^1\times {\mathrm{20903}}^1$

素因数の和:32824

約数の個数: 20

約数和(自身を含む): 30124963440

約数和(自身を除く): 9961323453

約数列:

[1, 3, 9, 27, 81, 11909, 20903, 35727, 62709, 107181, 188127, 321543, 564381, 964629, 1693143, 248933827, 746801481, 2240404443, 6721213329, 20163639987]

約数ペア:

[(1, 20163639987), (3, 6721213329), (9, 2240404443), (27, 746801481), (81, 248933827), (11909, 1693143), (20903, 964629), (35727, 564381), (62709, 321543), (107181, 188127)]