20291901

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{2087}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 31002624

約数和(自身を除く): 10710723

約数列:

[1, 3, 7, 21, 463, 1389, 2087, 3241, 6261, 9723, 14609, 43827, 966281, 2898843, 6763967, 20291901]

約数ペア:

[(1, 20291901), (3, 6763967), (7, 2898843), (21, 966281), (463, 43827), (1389, 14609), (2087, 9723), (3241, 6261)]