20468833

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 28477440

約数和(自身を除く): 8008607

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 823, 1309, 1463, 2261, 3553, 5761, 9053, 13991, 15637, 24871, 63371, 97937, 109459, 153901, 172007, 265829, 1077307, 1204049, 1860803, 2924119, 20468833]

約数ペア:

[(1, 20468833), (7, 2924119), (11, 1860803), (17, 1204049), (19, 1077307), (77, 265829), (119, 172007), (133, 153901), (187, 109459), (209, 97937), (323, 63371), (823, 24871), (1309, 15637), (1463, 13991), (2261, 9053), (3553, 5761)]