20989441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3504959

約数列:

[1, 11, 17, 107, 187, 1049, 1177, 1819, 11539, 17833, 20009, 112243, 196163, 1234673, 1908131, 20989441]

約数ペア:

[(1, 20989441), (11, 1908131), (17, 1234673), (107, 196163), (187, 112243), (1049, 20009), (1177, 17833), (1819, 11539)]