20743611

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 33984000

約数和(自身を除く): 13240389

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 1061, 2793, 3183, 6517, 7427, 19551, 20159, 22281, 51989, 60477, 141113, 155967, 363923, 423339, 987791, 1091769, 2963373, 6914537, 20743611]

約数ペア:

[(1, 20743611), (3, 6914537), (7, 2963373), (19, 1091769), (21, 987791), (49, 423339), (57, 363923), (133, 155967), (147, 141113), (343, 60477), (399, 51989), (931, 22281), (1029, 20159), (1061, 19551), (2793, 7427), (3183, 6517)]