16921980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31337}}^1$

素因数の和:31355

約数の個数: 48

約数和(自身を含む): 52647840

約数和(自身を除く): 35725860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 31337, 62674, 94011, 125348, 156685, 188022, 282033, 313370, 376044, 470055, 564066, 626740, 846099, 940110, 1128132, 1410165, 1692198, 1880220, 2820330, 3384396, 4230495, 5640660, 8460990, 16921980]

約数ペア:

[(1, 16921980), (2, 8460990), (3, 5640660), (4, 4230495), (5, 3384396), (6, 2820330), (9, 1880220), (10, 1692198), (12, 1410165), (15, 1128132), (18, 940110), (20, 846099), (27, 626740), (30, 564066), (36, 470055), (45, 376044), (54, 313370), (60, 282033), (90, 188022), (108, 156685), (135, 125348), (180, 94011), (270, 62674), (540, 31337)]