20764345

素因数分解:

$5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1549}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 7805255

約数列:

[1, 5, 7, 35, 383, 1549, 1915, 2681, 7745, 10843, 13405, 54215, 593267, 2966335, 4152869, 20764345]

約数ペア:

[(1, 20764345), (5, 4152869), (7, 2966335), (35, 593267), (383, 54215), (1549, 13405), (1915, 10843), (2681, 7745)]