20620905

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5477}}^1$

素因数の和:5736

約数の個数: 16

約数和(自身を含む): 33130944

約数和(自身を除く): 12510039

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5477, 16431, 27385, 82155, 1374727, 4124181, 6873635, 20620905]

約数ペア:

[(1, 20620905), (3, 6873635), (5, 4124181), (15, 1374727), (251, 82155), (753, 27385), (1255, 16431), (3765, 5477)]