20118996849

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50423551}}^1$

素因数の和:50423580

約数の個数: 16

約数和(自身を含む): 32271073280

約数和(自身を除く): 12152076431

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50423551, 151270653, 352964857, 958047469, 1058894571, 2874142407, 6706332283, 20118996849]

約数ペア:

[(1, 20118996849), (3, 6706332283), (7, 2874142407), (19, 1058894571), (21, 958047469), (57, 352964857), (133, 151270653), (399, 50423551)]