20099541

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87011}}^1$

素因数の和:87032

約数の個数: 16

約数和(自身を含む): 33412608

約数和(自身を除く): 13313067

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87011, 261033, 609077, 957121, 1827231, 2871363, 6699847, 20099541]

約数ペア:

[(1, 20099541), (3, 6699847), (7, 2871363), (11, 1827231), (21, 957121), (33, 609077), (77, 261033), (231, 87011)]