20949964

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32531}}^1$

素因数の和:32565

約数の個数: 24

約数和(自身を含む): 43723008

約数和(自身を除く): 22773044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32531, 65062, 130124, 227717, 455434, 748213, 910868, 1496426, 2992852, 5237491, 10474982, 20949964]

約数ペア:

[(1, 20949964), (2, 10474982), (4, 5237491), (7, 2992852), (14, 1496426), (23, 910868), (28, 748213), (46, 455434), (92, 227717), (161, 130124), (322, 65062), (644, 32531)]