20114721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 11771679

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 1021, 1791, 2189, 3063, 6567, 9189, 11231, 19701, 33693, 101079, 203179, 609537, 1828611, 2234969, 6704907, 20114721]

約数ペア:

[(1, 20114721), (3, 6704907), (9, 2234969), (11, 1828611), (33, 609537), (99, 203179), (199, 101079), (597, 33693), (1021, 19701), (1791, 11231), (2189, 9189), (3063, 6567)]