13455220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6661}}^1$

素因数の和:6771

約数の個数: 24

約数和(自身を含む): 28540008

約数和(自身を除く): 15084788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 6661, 13322, 26644, 33305, 66610, 133220, 672761, 1345522, 2691044, 3363805, 6727610, 13455220]

約数ペア:

[(1, 13455220), (2, 6727610), (4, 3363805), (5, 2691044), (10, 1345522), (20, 672761), (101, 133220), (202, 66610), (404, 33305), (505, 26644), (1010, 13322), (2020, 6661)]