20958222

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8297}}^1$

素因数の和:8723

約数の個数: 16

約数和(自身を含む): 42021072

約数和(自身を除く): 21062850

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8297, 16594, 24891, 49782, 3493037, 6986074, 10479111, 20958222]

約数ペア:

[(1, 20958222), (2, 10479111), (3, 6986074), (6, 3493037), (421, 49782), (842, 24891), (1263, 16594), (2526, 8297)]