20606761

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 24285184

約数和(自身を除く): 3678423

約数列:

[1, 7, 43, 223, 301, 307, 1561, 2149, 9589, 13201, 67123, 68461, 92407, 479227, 2943823, 20606761]

約数ペア:

[(1, 20606761), (7, 2943823), (43, 479227), (223, 92407), (301, 68461), (307, 67123), (1561, 13201), (2149, 9589)]