20704136

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{6653}}^1$

素因数の和:7048

約数の個数: 16

約数和(自身を含む): 38925900

約数和(自身を除く): 18221764

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 6653, 13306, 26612, 53224, 2588017, 5176034, 10352068, 20704136]

約数ペア:

[(1, 20704136), (2, 10352068), (4, 5176034), (8, 2588017), (389, 53224), (778, 26612), (1556, 13306), (3112, 6653)]