20803426

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20929}}^1$

素因数の和:21009

約数の個数: 16

約数和(自身を含む): 36167040

約数和(自身を除く): 15363614

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20929, 41858, 146503, 293006, 1485959, 2971918, 10401713, 20803426]

約数ペア:

[(1, 20803426), (2, 10401713), (7, 2971918), (14, 1485959), (71, 293006), (142, 146503), (497, 41858), (994, 20929)]