20920053

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8233}}^1$

素因数の和:8265

約数の個数: 24

約数和(自身を含む): 35043904

約数和(自身を除く): 14123851

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8233, 24699, 57631, 90563, 172893, 271689, 633941, 996193, 1901823, 2988579, 6973351, 20920053]

約数ペア:

[(1, 20920053), (3, 6973351), (7, 2988579), (11, 1901823), (21, 996193), (33, 633941), (77, 271689), (121, 172893), (231, 90563), (363, 57631), (847, 24699), (2541, 8233)]