20341989

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{2087}}^1$

素因数の和:2134

約数の個数: 24

約数和(自身を含む): 31821120

約数和(自身を除く): 11479131

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 2087, 3249, 6261, 9747, 18783, 39653, 56349, 118959, 356877, 753407, 1070631, 2260221, 6780663, 20341989]

約数ペア:

[(1, 20341989), (3, 6780663), (9, 2260221), (19, 1070631), (27, 753407), (57, 356877), (171, 118959), (361, 56349), (513, 39653), (1083, 18783), (2087, 9747), (3249, 6261)]