20084405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15877}}^1$

素因数の和:15916

約数の個数: 16

約数和(自身を含む): 27437184

約数和(自身を除く): 7352779

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15877, 79385, 174647, 365171, 873235, 1825855, 4016881, 20084405]

約数ペア:

[(1, 20084405), (5, 4016881), (11, 1825855), (23, 873235), (55, 365171), (115, 174647), (253, 79385), (1265, 15877)]