20777564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8819}}^1$

素因数の和:8873

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18736036

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8819, 17638, 35276, 167561, 273389, 335122, 546778, 670244, 1093556, 5194391, 10388782, 20777564]

約数ペア:

[(1, 20777564), (2, 10388782), (4, 5194391), (19, 1093556), (31, 670244), (38, 546778), (62, 335122), (76, 273389), (124, 167561), (589, 35276), (1178, 17638), (2356, 8819)]