20205909367

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{4621}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 24078771200

約数和(自身を除く): 3872861833

約数列:

[1, 7, 43, 73, 199, 301, 511, 1393, 3139, 4621, 8557, 14527, 21973, 32347, 59899, 101689, 198703, 337333, 624661, 919579, 1390921, 2361331, 4372627, 6437053, 14505319, 39541897, 67129267, 101537233, 276793279, 469904869, 2886558481, 20205909367]

約数ペア:

[(1, 20205909367), (7, 2886558481), (43, 469904869), (73, 276793279), (199, 101537233), (301, 67129267), (511, 39541897), (1393, 14505319), (3139, 6437053), (4621, 4372627), (8557, 2361331), (14527, 1390921), (21973, 919579), (32347, 624661), (59899, 337333), (101689, 198703)]