20317860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112877}}^1$

素因数の和:112892

約数の個数: 36

約数和(自身を含む): 61631388

約数和(自身を除く): 41313528

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112877, 225754, 338631, 451508, 564385, 677262, 1015893, 1128770, 1354524, 1693155, 2031786, 2257540, 3386310, 4063572, 5079465, 6772620, 10158930, 20317860]

約数ペア:

[(1, 20317860), (2, 10158930), (3, 6772620), (4, 5079465), (5, 4063572), (6, 3386310), (9, 2257540), (10, 2031786), (12, 1693155), (15, 1354524), (18, 1128770), (20, 1015893), (30, 677262), (36, 564385), (45, 451508), (60, 338631), (90, 225754), (180, 112877)]