20774576

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1601}}^1$

素因数の和:2420

約数の個数: 20

約数和(自身を含む): 40325544

約数和(自身を除く): 19550968

約数列:

[1, 2, 4, 8, 16, 811, 1601, 1622, 3202, 3244, 6404, 6488, 12808, 12976, 25616, 1298411, 2596822, 5193644, 10387288, 20774576]

約数ペア:

[(1, 20774576), (2, 10387288), (4, 5193644), (8, 2596822), (16, 1298411), (811, 25616), (1601, 12976), (1622, 12808), (3202, 6488), (3244, 6404)]