20293808

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{3163}}^1$

素因数の和:3572

約数の個数: 20

約数和(自身を含む): 39429768

約数和(自身を除く): 19135960

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3163, 3208, 6326, 6416, 12652, 25304, 50608, 1268363, 2536726, 5073452, 10146904, 20293808]

約数ペア:

[(1, 20293808), (2, 10146904), (4, 5073452), (8, 2536726), (16, 1268363), (401, 50608), (802, 25304), (1604, 12652), (3163, 6416), (3208, 6326)]