20756659

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6269}}^1$

素因数の和:6330

約数の個数: 16

約数和(自身を含む): 26484480

約数和(自身を除く): 5727821

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6269, 43883, 68959, 269567, 482713, 1886969, 2965237, 20756659]

約数ペア:

[(1, 20756659), (7, 2965237), (11, 1886969), (43, 482713), (77, 269567), (301, 68959), (473, 43883), (3311, 6269)]