20501789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{593}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 5159011

約数列:

[1, 7, 11, 77, 449, 593, 3143, 4151, 4939, 6523, 34573, 45661, 266257, 1863799, 2928827, 20501789]

約数ペア:

[(1, 20501789), (7, 2928827), (11, 1863799), (77, 266257), (449, 45661), (593, 34573), (3143, 6523), (4151, 4939)]