20168235

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3529}}^1$

素因数の和:3667

約数の個数: 24

約数和(自身を含む): 35243520

約数和(自身を除く): 15075285

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3529, 5715, 10587, 17645, 31761, 52935, 158805, 448183, 1344549, 2240915, 4033647, 6722745, 20168235]

約数ペア:

[(1, 20168235), (3, 6722745), (5, 4033647), (9, 2240915), (15, 1344549), (45, 448183), (127, 158805), (381, 52935), (635, 31761), (1143, 17645), (1905, 10587), (3529, 5715)]