20157003910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{80599}}^1$

素因数の和:80976

約数の個数: 32

約数和(自身を含む): 36821304000

約数和(自身を除く): 16664300090

約数列:

[1, 2, 5, 10, 89, 178, 281, 445, 562, 890, 1405, 2810, 25009, 50018, 80599, 125045, 161198, 250090, 402995, 805990, 7173311, 14346622, 22648319, 35866555, 45296638, 71733110, 113241595, 226483190, 2015700391, 4031400782, 10078501955, 20157003910]

約数ペア:

[(1, 20157003910), (2, 10078501955), (5, 4031400782), (10, 2015700391), (89, 226483190), (178, 113241595), (281, 71733110), (445, 45296638), (562, 35866555), (890, 22648319), (1405, 14346622), (2810, 7173311), (25009, 805990), (50018, 402995), (80599, 250090), (125045, 161198)]