20198589

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 27528000

約数和(自身を除く): 7329411

約数列:

[1, 3, 73, 149, 219, 447, 619, 1857, 10877, 32631, 45187, 92231, 135561, 276693, 6732863, 20198589]

約数ペア:

[(1, 20198589), (3, 6732863), (73, 276693), (149, 135561), (219, 92231), (447, 45187), (619, 32631), (1857, 10877)]