20159540919

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7441691}}^1$

素因数の和:7441747

約数の個数: 24

約数和(自身を含む): 34053182592

約数和(自身を除く): 13893641673

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7441691, 22325073, 52091837, 66975219, 156275511, 319992713, 468826533, 959978139, 2239948991, 2879934417, 6719846973, 20159540919]

約数ペア:

[(1, 20159540919), (3, 6719846973), (7, 2879934417), (9, 2239948991), (21, 959978139), (43, 468826533), (63, 319992713), (129, 156275511), (301, 66975219), (387, 52091837), (903, 22325073), (2709, 7441691)]