20199671121

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3092891}}^1$

素因数の和:3093212

約数の個数: 16

約数和(自身を含む): 30879433728

約数和(自身を除く): 10679762607

約数列:

[1, 3, 7, 21, 311, 933, 2177, 6531, 3092891, 9278673, 21650237, 64950711, 961889101, 2885667303, 6733223707, 20199671121]

約数ペア:

[(1, 20199671121), (3, 6733223707), (7, 2885667303), (21, 961889101), (311, 64950711), (933, 21650237), (2177, 9278673), (6531, 3092891)]