20172455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3346

約数の個数: 16

約数和(自身を含む): 25989984

約数和(自身を除く): 5817529

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3251, 6205, 16255, 55267, 237323, 276335, 1186615, 4034491, 20172455]

約数ペア:

[(1, 20172455), (5, 4034491), (17, 1186615), (73, 276335), (85, 237323), (365, 55267), (1241, 16255), (3251, 6205)]