20355687

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1763

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 11992473

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 1619, 4191, 4857, 12573, 14571, 17809, 53427, 160281, 205613, 616839, 1850517, 2261743, 6785229, 20355687]

約数ペア:

[(1, 20355687), (3, 6785229), (9, 2261743), (11, 1850517), (33, 616839), (99, 205613), (127, 160281), (381, 53427), (1143, 17809), (1397, 14571), (1619, 12573), (4191, 4857)]