17620810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13451}}^1$

素因数の和:13589

約数の個数: 16

約数和(自身を含む): 31961952

約数和(自身を除く): 14341142

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 13451, 26902, 67255, 134510, 1762081, 3524162, 8810405, 17620810]

約数ペア:

[(1, 17620810), (2, 8810405), (5, 3524162), (10, 1762081), (131, 134510), (262, 67255), (655, 26902), (1310, 13451)]