20784681

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1873}}^1$

素因数の和:2022

約数の個数: 20

約数和(自身を含む): 31292052

約数和(自身を除く): 10507371

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1873, 3699, 5619, 11097, 16857, 50571, 151713, 256601, 769803, 2309409, 6928227, 20784681]

約数ペア:

[(1, 20784681), (3, 6928227), (9, 2309409), (27, 769803), (81, 256601), (137, 151713), (411, 50571), (1233, 16857), (1873, 11097), (3699, 5619)]