20187255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122347}}^1$

素因数の和:122366

約数の個数: 16

約数和(自身を含む): 35236224

約数和(自身を除く): 15048969

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122347, 367041, 611735, 1345817, 1835205, 4037451, 6729085, 20187255]

約数ペア:

[(1, 20187255), (3, 6729085), (5, 4037451), (11, 1835205), (15, 1345817), (33, 611735), (55, 367041), (165, 122347)]