20839938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3907}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 48021504

約数和(自身を除く): 27181566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3907, 5334, 7814, 11721, 23442, 27349, 54698, 82047, 164094, 496189, 992378, 1488567, 2977134, 3473323, 6946646, 10419969, 20839938]

約数ペア:

[(1, 20839938), (2, 10419969), (3, 6946646), (6, 3473323), (7, 2977134), (14, 1488567), (21, 992378), (42, 496189), (127, 164094), (254, 82047), (381, 54698), (762, 27349), (889, 23442), (1778, 11721), (2667, 7814), (3907, 5334)]