20784271

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 23011200

約数和(自身を除く): 2226929

約数列:

[1, 19, 29, 67, 551, 563, 1273, 1943, 10697, 16327, 36917, 37721, 310213, 716699, 1093909, 20784271]

約数ペア:

[(1, 20784271), (19, 1093909), (29, 716699), (67, 310213), (551, 37721), (563, 36917), (1273, 16327), (1943, 10697)]