20173909889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1\times {\mathrm{116411}}^1$

素因数の和:117740

約数の個数: 16

約数和(自身を含む): 24288199680

約数和(自身を除く): 4114289791

約数列:

[1, 7, 19, 133, 1303, 9121, 24757, 116411, 173299, 814877, 2211809, 15482663, 151683533, 1061784731, 2881987127, 20173909889]

約数ペア:

[(1, 20173909889), (7, 2881987127), (19, 1061784731), (133, 151683533), (1303, 15482663), (9121, 2211809), (24757, 814877), (116411, 173299)]