20905908

素因数分解:

$2^2\times 3^1\times {\mathrm{883}}^1\times {\mathrm{1973}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 48860448

約数和(自身を除く): 27954540

約数列:

[1, 2, 3, 4, 6, 12, 883, 1766, 1973, 2649, 3532, 3946, 5298, 5919, 7892, 10596, 11838, 23676, 1742159, 3484318, 5226477, 6968636, 10452954, 20905908]

約数ペア:

[(1, 20905908), (2, 10452954), (3, 6968636), (4, 5226477), (6, 3484318), (12, 1742159), (883, 23676), (1766, 11838), (1973, 10596), (2649, 7892), (3532, 5919), (3946, 5298)]