20715153

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 7783023

約数列:

[1, 3, 37, 111, 431, 433, 1293, 1299, 15947, 16021, 47841, 48063, 186623, 559869, 6905051, 20715153]

約数ペア:

[(1, 20715153), (3, 6905051), (37, 559869), (111, 186623), (431, 48063), (433, 47841), (1293, 16021), (1299, 15947)]