20160956991

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1497731}}^1$

素因数の和:1498382

約数の個数: 16

約数和(自身を含む): 30769406208

約数和(自身を除く): 10608449217

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 1497731, 4493193, 10484117, 31452351, 960045571, 2880136713, 6720318997, 20160956991]

約数ペア:

[(1, 20160956991), (3, 6720318997), (7, 2880136713), (21, 960045571), (641, 31452351), (1923, 10484117), (4487, 4493193), (13461, 1497731)]