20005901109

素因数分解:

$3^2\times {\mathrm{619}}^1\times {\mathrm{3591079}}^1$

素因数の和:3591704

約数の個数: 12

約数和(自身を含む): 28944104800

約数和(自身を除く): 8938203691

約数列:

[1, 3, 9, 619, 1857, 5571, 3591079, 10773237, 32319711, 2222877901, 6668633703, 20005901109]

約数ペア:

[(1, 20005901109), (3, 6668633703), (9, 2222877901), (619, 32319711), (1857, 10773237), (5571, 3591079)]