16939580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120997}}^1$

素因数の和:121013

約数の個数: 24

約数和(自身を含む): 40655328

約数和(自身を除く): 23715748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120997, 241994, 483988, 604985, 846979, 1209970, 1693958, 2419940, 3387916, 4234895, 8469790, 16939580]

約数ペア:

[(1, 16939580), (2, 8469790), (4, 4234895), (5, 3387916), (7, 2419940), (10, 1693958), (14, 1209970), (20, 846979), (28, 604985), (35, 483988), (70, 241994), (140, 120997)]