20409301

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 23250240

約数和(自身を除く): 2840939

約数列:

[1, 11, 29, 137, 319, 467, 1507, 3973, 5137, 13543, 43703, 63979, 148973, 703769, 1855391, 20409301]

約数ペア:

[(1, 20409301), (11, 1855391), (29, 703769), (137, 148973), (319, 63979), (467, 43703), (1507, 13543), (3973, 5137)]