20644866

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 28596222

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 127, 198, 254, 381, 762, 821, 1143, 1397, 1642, 2286, 2463, 2794, 4191, 4926, 7389, 8382, 9031, 12573, 14778, 18062, 25146, 27093, 54186, 81279, 104267, 162558, 208534, 312801, 625602, 938403, 1146937, 1876806, 2293874, 3440811, 6881622, 10322433, 20644866]

約数ペア:

[(1, 20644866), (2, 10322433), (3, 6881622), (6, 3440811), (9, 2293874), (11, 1876806), (18, 1146937), (22, 938403), (33, 625602), (66, 312801), (99, 208534), (127, 162558), (198, 104267), (254, 81279), (381, 54186), (762, 27093), (821, 25146), (1143, 18062), (1397, 14778), (1642, 12573), (2286, 9031), (2463, 8382), (2794, 7389), (4191, 4926)]