20351330293

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{34549}}^1$

素因数の和:34721

約数の個数: 32

約数和(自身を含む): 25296128000

約数和(自身を除く): 4944797707

約数列:

[1, 7, 19, 43, 103, 133, 301, 721, 817, 1957, 4429, 5719, 13699, 31003, 34549, 84151, 241843, 589057, 656431, 1485607, 3558547, 4595017, 10399249, 24909829, 28226533, 67612393, 153017521, 197585731, 473286751, 1071122647, 2907332899, 20351330293]

約数ペア:

[(1, 20351330293), (7, 2907332899), (19, 1071122647), (43, 473286751), (103, 197585731), (133, 153017521), (301, 67612393), (721, 28226533), (817, 24909829), (1957, 10399249), (4429, 4595017), (5719, 3558547), (13699, 1485607), (31003, 656431), (34549, 589057), (84151, 241843)]