20681402

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47653}}^1$

素因数の和:47693

約数の個数: 16

約数和(自身を含む): 36598272

約数和(自身を除く): 15916870

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47653, 95306, 333571, 667142, 1477243, 2954486, 10340701, 20681402]

約数ペア:

[(1, 20681402), (2, 10340701), (7, 2954486), (14, 1477243), (31, 667142), (62, 333571), (217, 95306), (434, 47653)]