20682183

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9431}}^1$

素因数の和:9494

約数の個数: 16

約数和(自身を含む): 29880576

約数和(自身を除く): 9198393

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9431, 28293, 160327, 405533, 480981, 1216599, 6894061, 20682183]

約数ペア:

[(1, 20682183), (3, 6894061), (17, 1216599), (43, 480981), (51, 405533), (129, 160327), (731, 28293), (2193, 9431)]