20235979305

素因数分解:

$3^6\times 5^1\times {\mathrm{5551709}}^1$

素因数の和:5551732

約数の個数: 28

約数和(自身を含む): 36408114180

約数和(自身を除く): 16172134875

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 5551709, 16655127, 27758545, 49965381, 83275635, 149896143, 249826905, 449688429, 749480715, 1349065287, 2248442145, 4047195861, 6745326435, 20235979305]

約数ペア:

[(1, 20235979305), (3, 6745326435), (5, 4047195861), (9, 2248442145), (15, 1349065287), (27, 749480715), (45, 449688429), (81, 249826905), (135, 149896143), (243, 83275635), (405, 49965381), (729, 27758545), (1215, 16655127), (3645, 5551709)]