20921427

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{4567}}^1$

素因数の和:5082

約数の個数: 12

約数和(自身を含む): 30285840

約数和(自身を除く): 9364413

約数列:

[1, 3, 9, 509, 1527, 4567, 4581, 13701, 41103, 2324603, 6973809, 20921427]

約数ペア:

[(1, 20921427), (3, 6973809), (9, 2324603), (509, 41103), (1527, 13701), (4567, 4581)]