20872377

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{4271}}^1$

素因数の和:4461

約数の個数: 16

約数和(自身を含む): 31100160

約数和(自身を除く): 10227783

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4271, 4887, 12813, 38439, 115317, 773051, 2319153, 6957459, 20872377]

約数ペア:

[(1, 20872377), (3, 6957459), (9, 2319153), (27, 773051), (181, 115317), (543, 38439), (1629, 12813), (4271, 4887)]