20901070

素因数分解:

$2^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1709}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 37674720

約数和(自身を除く): 16773650

約数列:

[1, 2, 5, 10, 1223, 1709, 2446, 3418, 6115, 8545, 12230, 17090, 2090107, 4180214, 10450535, 20901070]

約数ペア:

[(1, 20901070), (2, 10450535), (5, 4180214), (10, 2090107), (1223, 17090), (1709, 12230), (2446, 8545), (3418, 6115)]