20021337

素因数分解:

$3^4\times 7^1\times {\mathrm{35311}}^1$

素因数の和:35330

約数の個数: 20

約数和(自身を含む): 34182016

約数和(自身を除く): 14160679

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35311, 105933, 247177, 317799, 741531, 953397, 2224593, 2860191, 6673779, 20021337]

約数ペア:

[(1, 20021337), (3, 6673779), (7, 2860191), (9, 2224593), (21, 953397), (27, 741531), (63, 317799), (81, 247177), (189, 105933), (567, 35311)]