20710942

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3617}}^1$

素因数の和:4035

約数の個数: 16

約数和(自身を含む): 35601120

約数和(自身を除く): 14890178

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3617, 5726, 7234, 25319, 50638, 1479353, 2958706, 10355471, 20710942]

約数ペア:

[(1, 20710942), (2, 10355471), (7, 2958706), (14, 1479353), (409, 50638), (818, 25319), (2863, 7234), (3617, 5726)]