20550891

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6337}}^1$

素因数の和:6410

約数の個数: 16

約数和(自身を含む): 29205504

約数和(自身を除く): 8654613

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6337, 19011, 145751, 297839, 437253, 893517, 6850297, 20550891]

約数ペア:

[(1, 20550891), (3, 6850297), (23, 893517), (47, 437253), (69, 297839), (141, 145751), (1081, 19011), (3243, 6337)]