20009045

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15451}}^1$

素因数の和:15500

約数の個数: 16

約数和(自身を含む): 28184448

約数和(自身を除く): 8175403

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15451, 77255, 108157, 540785, 571687, 2858435, 4001809, 20009045]

約数ペア:

[(1, 20009045), (5, 4001809), (7, 2858435), (35, 571687), (37, 540785), (185, 108157), (259, 77255), (1295, 15451)]