20051520309

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{352579}}^1$

素因数の和:352745

約数の個数: 24

約数和(自身を含む): 29701339200

約数和(自身を除く): 9649818891

約数列:

[1, 3, 9, 71, 89, 213, 267, 639, 801, 6319, 18957, 56871, 352579, 1057737, 3173211, 25033109, 31379531, 75099327, 94138593, 225297981, 282415779, 2227946701, 6683840103, 20051520309]

約数ペア:

[(1, 20051520309), (3, 6683840103), (9, 2227946701), (71, 282415779), (89, 225297981), (213, 94138593), (267, 75099327), (639, 31379531), (801, 25033109), (6319, 3173211), (18957, 1057737), (56871, 352579)]