20199399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21107}}^1$

素因数の和:21150

約数の個数: 16

約数和(自身を含む): 30395520

約数和(自身を除く): 10196121

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 21107, 63321, 232177, 612103, 696531, 1836309, 6733133, 20199399]

約数ペア:

[(1, 20199399), (3, 6733133), (11, 1836309), (29, 696531), (33, 612103), (87, 232177), (319, 63321), (957, 21107)]