20051215215

素因数分解:

$3^1\times 5^1\times {\mathrm{4127}}^1\times {\mathrm{323903}}^1$

素因数の和:328038

約数の個数: 16

約数和(自身を含む): 32089817088

約数和(自身を除く): 12038601873

約数列:

[1, 3, 5, 15, 4127, 12381, 20635, 61905, 323903, 971709, 1619515, 4858545, 1336747681, 4010243043, 6683738405, 20051215215]

約数ペア:

[(1, 20051215215), (3, 6683738405), (5, 4010243043), (15, 1336747681), (4127, 4858545), (12381, 1619515), (20635, 971709), (61905, 323903)]