20842115

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{929}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 28658880

約数和(自身を除く): 7816765

約数列:

[1, 5, 7, 35, 641, 929, 3205, 4487, 4645, 6503, 22435, 32515, 595489, 2977445, 4168423, 20842115]

約数ペア:

[(1, 20842115), (5, 4168423), (7, 2977445), (35, 595489), (641, 32515), (929, 22435), (3205, 6503), (4487, 4645)]