20291549045

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1\times {\mathrm{80447}}^1$

素因数の和:81340

約数の個数: 16

約数和(自身を含む): 24779271168

約数和(自身を除く): 4487722123

約数列:

[1, 5, 61, 305, 827, 4135, 50447, 80447, 252235, 402235, 4907267, 24536335, 66529669, 332648345, 4058309809, 20291549045]

約数ペア:

[(1, 20291549045), (5, 4058309809), (61, 332648345), (305, 66529669), (827, 24536335), (4135, 4907267), (50447, 402235), (80447, 252235)]