20996367

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7193}}^1$

素因数の和:7342

約数の個数: 16

約数和(自身を含む): 32229120

約数和(自身を除く): 11232753

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 7193, 21579, 50351, 151053, 999827, 2999481, 6998789, 20996367]

約数ペア:

[(1, 20996367), (3, 6998789), (7, 2999481), (21, 999827), (139, 151053), (417, 50351), (973, 21579), (2919, 7193)]