20878662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497111}}^1$

素因数の和:497123

約数の個数: 16

約数和(自身を含む): 47722752

約数和(自身を除く): 26844090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497111, 994222, 1491333, 2982666, 3479777, 6959554, 10439331, 20878662]

約数ペア:

[(1, 20878662), (2, 10439331), (3, 6959554), (6, 3479777), (7, 2982666), (14, 1491333), (21, 994222), (42, 497111)]