20906370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77431}}^1$

素因数の和:77447

約数の個数: 32

約数和(自身を含む): 55751040

約数和(自身を除く): 34844670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77431, 154862, 232293, 387155, 464586, 696879, 774310, 1161465, 1393758, 2090637, 2322930, 3484395, 4181274, 6968790, 10453185, 20906370]

約数ペア:

[(1, 20906370), (2, 10453185), (3, 6968790), (5, 4181274), (6, 3484395), (9, 2322930), (10, 2090637), (15, 1393758), (18, 1161465), (27, 774310), (30, 696879), (45, 464586), (54, 387155), (90, 232293), (135, 154862), (270, 77431)]