20163886187

素因数分解:

${\mathrm{71}}^1\times {\mathrm{73}}^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 20936841120

約数和(自身を除く): 772954933

約数列:

[1, 71, 73, 137, 389, 5183, 5329, 9727, 10001, 27619, 28397, 53293, 378359, 710071, 730073, 2016187, 2072981, 3783803, 3890389, 51835183, 147181651, 276217619, 283998397, 20163886187]

約数ペア:

[(1, 20163886187), (71, 283998397), (73, 276217619), (137, 147181651), (389, 51835183), (5183, 3890389), (5329, 3783803), (9727, 2072981), (10001, 2016187), (27619, 730073), (28397, 710071), (53293, 378359)]