20807785474

素因数分解:

$2^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1362301}}^1$

素因数の和:1363401

約数の個数: 16

約数和(自身を含む): 35703210816

約数和(自身を除く): 14895425342

約数列:

[1, 2, 7, 14, 1091, 2182, 7637, 15274, 1362301, 2724602, 9536107, 19072214, 1486270391, 2972540782, 10403892737, 20807785474]

約数ペア:

[(1, 20807785474), (2, 10403892737), (7, 2972540782), (14, 1486270391), (1091, 19072214), (2182, 9536107), (7637, 2724602), (15274, 1362301)]