20188653

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 27466560

約数和(自身を除く): 7277907

約数列:

[1, 3, 107, 109, 321, 327, 577, 1731, 11663, 34989, 61739, 62893, 185217, 188679, 6729551, 20188653]

約数ペア:

[(1, 20188653), (3, 6729551), (107, 188679), (109, 185217), (321, 62893), (327, 61739), (577, 34989), (1731, 11663)]