20364879

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 27827712

約数和(自身を除く): 7462833

約数列:

[1, 3, 53, 159, 263, 487, 789, 1461, 13939, 25811, 41817, 77433, 128081, 384243, 6788293, 20364879]

約数ペア:

[(1, 20364879), (3, 6788293), (53, 384243), (159, 128081), (263, 77433), (487, 41817), (789, 25811), (1461, 13939)]