20384805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{194141}}^1$

素因数の和:194156

約数の個数: 16

約数和(自身を含む): 37275264

約数和(自身を除く): 16890459

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 194141, 582423, 970705, 1358987, 2912115, 4076961, 6794935, 20384805]

約数ペア:

[(1, 20384805), (3, 6794935), (5, 4076961), (7, 2912115), (15, 1358987), (21, 970705), (35, 582423), (105, 194141)]