20756974

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5471}}^1$

素因数の和:5751

約数の個数: 16

約数和(自身を含む): 35721216

約数和(自身を除く): 14964242

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5471, 10942, 38297, 76594, 1482641, 2965282, 10378487, 20756974]

約数ペア:

[(1, 20756974), (2, 10378487), (7, 2965282), (14, 1482641), (271, 76594), (542, 38297), (1897, 10942), (3794, 5471)]