20299391

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 25420320

約数和(自身を除く): 5120929

約数列:

[1, 7, 19, 29, 133, 203, 277, 361, 551, 1939, 2527, 3857, 5263, 8033, 10469, 36841, 56231, 73283, 99997, 152627, 699979, 1068389, 2899913, 20299391]

約数ペア:

[(1, 20299391), (7, 2899913), (19, 1068389), (29, 699979), (133, 152627), (203, 99997), (277, 73283), (361, 56231), (551, 36841), (1939, 10469), (2527, 8033), (3857, 5263)]