20051805

素因数分解:

$3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1549}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 32140800

約数和(自身を除く): 12088995

約数列:

[1, 3, 5, 15, 863, 1549, 2589, 4315, 4647, 7745, 12945, 23235, 1336787, 4010361, 6683935, 20051805]

約数ペア:

[(1, 20051805), (3, 6683935), (5, 4010361), (15, 1336787), (863, 23235), (1549, 12945), (2589, 7745), (4315, 4647)]