20640046

素因数分解:

$2^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1259}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 35441280

約数和(自身を除く): 14801234

約数列:

[1, 2, 7, 14, 1171, 1259, 2342, 2518, 8197, 8813, 16394, 17626, 1474289, 2948578, 10320023, 20640046]

約数ペア:

[(1, 20640046), (2, 10320023), (7, 2948578), (14, 1474289), (1171, 17626), (1259, 16394), (2342, 8813), (2518, 8197)]