20941215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32467}}^1$

素因数の和:32518

約数の個数: 16

約数和(自身を含む): 34286208

約数和(自身を除く): 13344993

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 32467, 97401, 162335, 487005, 1396081, 4188243, 6980405, 20941215]

約数ペア:

[(1, 20941215), (3, 6980405), (5, 4188243), (15, 1396081), (43, 487005), (129, 162335), (215, 97401), (645, 32467)]