20804406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495343}}^1$

素因数の和:495355

約数の個数: 16

約数和(自身を含む): 47553024

約数和(自身を除く): 26748618

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495343, 990686, 1486029, 2972058, 3467401, 6934802, 10402203, 20804406]

約数ペア:

[(1, 20804406), (2, 10402203), (3, 6934802), (6, 3467401), (7, 2972058), (14, 1486029), (21, 990686), (42, 495343)]