20819694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495707}}^1$

素因数の和:495719

約数の個数: 16

約数和(自身を含む): 47587968

約数和(自身を除く): 26768274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495707, 991414, 1487121, 2974242, 3469949, 6939898, 10409847, 20819694]

約数ペア:

[(1, 20819694), (2, 10409847), (3, 6939898), (6, 3469949), (7, 2974242), (14, 1487121), (21, 991414), (42, 495707)]