20432979

素因数分解:

$3^4\times 7^1\times {\mathrm{36037}}^1$

素因数の和:36056

約数の個数: 20

約数和(自身を含む): 34884784

約数和(自身を除く): 14451805

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36037, 108111, 252259, 324333, 756777, 972999, 2270331, 2918997, 6810993, 20432979]

約数ペア:

[(1, 20432979), (3, 6810993), (7, 2918997), (9, 2270331), (21, 972999), (27, 756777), (63, 324333), (81, 252259), (189, 108111), (567, 36037)]