20996060

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2741}}^1$

素因数の和:3133

約数の個数: 24

約数和(自身を含む): 44222976

約数和(自身を除く): 23226916

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2741, 3830, 5482, 7660, 10964, 13705, 27410, 54820, 1049803, 2099606, 4199212, 5249015, 10498030, 20996060]

約数ペア:

[(1, 20996060), (2, 10498030), (4, 5249015), (5, 4199212), (10, 2099606), (20, 1049803), (383, 54820), (766, 27410), (1532, 13705), (1915, 10964), (2741, 7660), (3830, 5482)]