20784666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{494873}}^1$

素因数の和:494885

約数の個数: 16

約数和(自身を含む): 47507904

約数和(自身を除く): 26723238

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 494873, 989746, 1484619, 2969238, 3464111, 6928222, 10392333, 20784666]

約数ペア:

[(1, 20784666), (2, 10392333), (3, 6928222), (6, 3464111), (7, 2969238), (14, 1484619), (21, 989746), (42, 494873)]