20744283

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13913}}^1$

素因数の和:13994

約数の個数: 16

約数和(自身を含む): 32057856

約数和(自身を除く): 11313573

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13913, 41739, 97391, 292173, 987823, 2963469, 6914761, 20744283]

約数ペア:

[(1, 20744283), (3, 6914761), (7, 2963469), (21, 987823), (71, 292173), (213, 97391), (497, 41739), (1491, 13913)]