20912722

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 32088960

約数和(自身を除く): 11176238

約数列:

[1, 2, 79, 107, 158, 214, 1237, 2474, 8453, 16906, 97723, 132359, 195446, 264718, 10456361, 20912722]

約数ペア:

[(1, 20912722), (2, 10456361), (79, 264718), (107, 195446), (158, 132359), (214, 97723), (1237, 16906), (2474, 8453)]