20239828

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10181}}^1$

素因数の和:10263

約数の個数: 24

約数和(自身を含む): 41053824

約数和(自身を除く): 20813996

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10181, 20362, 40724, 71267, 142534, 285068, 722851, 1445702, 2891404, 5059957, 10119914, 20239828]

約数ペア:

[(1, 20239828), (2, 10119914), (4, 5059957), (7, 2891404), (14, 1445702), (28, 722851), (71, 285068), (142, 142534), (284, 71267), (497, 40724), (994, 20362), (1988, 10181)]