20129338943

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{236891}}^1$

素因数の和:237158

約数の個数: 16

約数和(自身を含む): 23499686400

約数和(自身を除く): 3370347457

約数列:

[1, 7, 61, 199, 427, 1393, 12139, 84973, 236891, 1658237, 14450351, 47141309, 101152457, 329989163, 2875619849, 20129338943]

約数ペア:

[(1, 20129338943), (7, 2875619849), (61, 329989163), (199, 101152457), (427, 47141309), (1393, 14450351), (12139, 1658237), (84973, 236891)]