20632689

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 18504591

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1567, 1881, 4389, 4701, 10969, 13167, 14103, 17237, 29773, 32907, 51711, 89319, 98721, 120659, 155133, 208411, 267957, 327503, 361977, 625233, 982509, 1085931, 1875699, 2292521, 2947527, 6877563, 20632689]

約数ペア:

[(1, 20632689), (3, 6877563), (7, 2947527), (9, 2292521), (11, 1875699), (19, 1085931), (21, 982509), (33, 625233), (57, 361977), (63, 327503), (77, 267957), (99, 208411), (133, 155133), (171, 120659), (209, 98721), (231, 89319), (399, 51711), (627, 32907), (693, 29773), (1197, 17237), (1463, 14103), (1567, 13167), (1881, 10969), (4389, 4701)]