20060991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 30451200

約数和(自身を除く): 10390209

約数列:

[1, 3, 9, 23, 69, 199, 207, 487, 597, 1461, 1791, 4383, 4577, 11201, 13731, 33603, 41193, 96913, 100809, 290739, 872217, 2228999, 6686997, 20060991]

約数ペア:

[(1, 20060991), (3, 6686997), (9, 2228999), (23, 872217), (69, 290739), (199, 100809), (207, 96913), (487, 41193), (597, 33603), (1461, 13731), (1791, 11201), (4383, 4577)]