20763963

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:880

約数の個数: 36

約数和(自身を含む): 34441680

約数和(自身を除く): 13677717

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 121, 207, 253, 363, 759, 829, 1089, 2277, 2487, 2783, 7461, 8349, 9119, 19067, 25047, 27357, 57201, 82071, 100309, 171603, 209737, 300927, 629211, 902781, 1887633, 2307107, 6921321, 20763963]

約数ペア:

[(1, 20763963), (3, 6921321), (9, 2307107), (11, 1887633), (23, 902781), (33, 629211), (69, 300927), (99, 209737), (121, 171603), (207, 100309), (253, 82071), (363, 57201), (759, 27357), (829, 25047), (1089, 19067), (2277, 9119), (2487, 8349), (2783, 7461)]