20438847

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15911

約数の個数: 24

約数和(自身を含む): 34686288

約数和(自身を除く): 14247441

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 15881, 47643, 142929, 174691, 206453, 524073, 619359, 1572219, 1858077, 2270983, 6812949, 20438847]

約数ペア:

[(1, 20438847), (3, 6812949), (9, 2270983), (11, 1858077), (13, 1572219), (33, 619359), (39, 524073), (99, 206453), (117, 174691), (143, 142929), (429, 47643), (1287, 15881)]