20123743

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 21676032

約数和(自身を除く): 1552289

約数列:

[1, 31, 41, 71, 223, 1271, 2201, 2911, 6913, 9143, 15833, 90241, 283433, 490823, 649153, 20123743]

約数ペア:

[(1, 20123743), (31, 649153), (41, 490823), (71, 283433), (223, 90241), (1271, 15833), (2201, 9143), (2911, 6913)]