20746785

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3301}}^1$

素因数の和:3728

約数の個数: 16

約数和(自身を含む): 33284160

約数和(自身を除く): 12537375

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3301, 6285, 9903, 16505, 49515, 1383119, 4149357, 6915595, 20746785]

約数ペア:

[(1, 20746785), (3, 6915595), (5, 4149357), (15, 1383119), (419, 49515), (1257, 16505), (2095, 9903), (3301, 6285)]