20199665192

素因数分解:

$2^3\times 7^1\times {\mathrm{887}}^1\times {\mathrm{406661}}^1$

素因数の和:407561

約数の個数: 32

約数和(自身を含む): 43333902720

約数和(自身を除く): 23134237528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 887, 1774, 3548, 6209, 7096, 12418, 24836, 49672, 406661, 813322, 1626644, 2846627, 3253288, 5693254, 11386508, 22773016, 360708307, 721416614, 1442833228, 2524958149, 2885666456, 5049916298, 10099832596, 20199665192]

約数ペア:

[(1, 20199665192), (2, 10099832596), (4, 5049916298), (7, 2885666456), (8, 2524958149), (14, 1442833228), (28, 721416614), (56, 360708307), (887, 22773016), (1774, 11386508), (3548, 5693254), (6209, 3253288), (7096, 2846627), (12418, 1626644), (24836, 813322), (49672, 406661)]