20357838

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{1361}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 45436320

約数和(自身を除く): 25078482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1361, 1662, 2493, 2722, 4083, 4986, 7479, 8166, 12249, 14958, 24498, 36747, 73494, 376997, 753994, 1130991, 2261982, 3392973, 6785946, 10178919, 20357838]

約数ペア:

[(1, 20357838), (2, 10178919), (3, 6785946), (6, 3392973), (9, 2261982), (18, 1130991), (27, 753994), (54, 376997), (277, 73494), (554, 36747), (831, 24498), (1361, 14958), (1662, 12249), (2493, 8166), (2722, 7479), (4083, 4986)]