20113513

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1571}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 24145920

約数和(自身を除く): 4032407

約数列:

[1, 7, 31, 59, 217, 413, 1571, 1829, 10997, 12803, 48701, 92689, 340907, 648823, 2873359, 20113513]

約数ペア:

[(1, 20113513), (7, 2873359), (31, 648823), (59, 340907), (217, 92689), (413, 48701), (1571, 12803), (1829, 10997)]