20321882

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9613}}^1$

素因数の和:9773

約数の個数: 16

約数和(自身を含む): 35071872

約数和(自身を除く): 14749990

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9613, 19226, 67291, 134582, 1451563, 2903126, 10160941, 20321882]

約数ペア:

[(1, 20321882), (2, 10160941), (7, 2903126), (14, 1451563), (151, 134582), (302, 67291), (1057, 19226), (2114, 9613)]