20542466

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2161}}^1$

素因数の和:2274

約数の個数: 24

約数和(自身を含む): 36230796

約数和(自身を除く): 15688330

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2161, 4322, 4753, 9506, 15127, 30254, 105889, 209617, 211778, 419234, 1467319, 2934638, 10271233, 20542466]

約数ペア:

[(1, 20542466), (2, 10271233), (7, 2934638), (14, 1467319), (49, 419234), (97, 211778), (98, 209617), (194, 105889), (679, 30254), (1358, 15127), (2161, 9506), (4322, 4753)]