20689060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147779}}^1$

素因数の和:147795

約数の個数: 24

約数和(自身を含む): 49654080

約数和(自身を除く): 28965020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147779, 295558, 591116, 738895, 1034453, 1477790, 2068906, 2955580, 4137812, 5172265, 10344530, 20689060]

約数ペア:

[(1, 20689060), (2, 10344530), (4, 5172265), (5, 4137812), (7, 2955580), (10, 2068906), (14, 1477790), (20, 1034453), (28, 738895), (35, 591116), (70, 295558), (140, 147779)]