20063981

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 25663680

約数和(自身を除く): 5599699

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 931, 937, 1127, 3059, 6559, 17803, 21413, 21551, 45913, 124621, 150857, 409469, 872347, 1055999, 2866283, 20063981]

約数ペア:

[(1, 20063981), (7, 2866283), (19, 1055999), (23, 872347), (49, 409469), (133, 150857), (161, 124621), (437, 45913), (931, 21551), (937, 21413), (1127, 17803), (3059, 6559)]