20178406738

素因数分解:

$2^1\times 7^1\times {\mathrm{3203}}^1\times {\mathrm{449989}}^1$

素因数の和:453201

約数の個数: 16

約数和(自身を含む): 34602431040

約数和(自身を除く): 14424024302

約数列:

[1, 2, 7, 14, 3203, 6406, 22421, 44842, 449989, 899978, 3149923, 6299846, 1441314767, 2882629534, 10089203369, 20178406738]

約数ペア:

[(1, 20178406738), (2, 10089203369), (7, 2882629534), (14, 1441314767), (3203, 6299846), (6406, 3149923), (22421, 899978), (44842, 449989)]