20805582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495371}}^1$

素因数の和:495383

約数の個数: 16

約数和(自身を含む): 47555712

約数和(自身を除く): 26750130

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495371, 990742, 1486113, 2972226, 3467597, 6935194, 10402791, 20805582]

約数ペア:

[(1, 20805582), (2, 10402791), (3, 6935194), (6, 3467597), (7, 2972226), (14, 1486113), (21, 990742), (42, 495371)]