20508249

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 30424320

約数和(自身を除く): 9916071

約数列:

[1, 3, 23, 29, 37, 69, 87, 111, 277, 667, 831, 851, 1073, 2001, 2553, 3219, 6371, 8033, 10249, 19113, 24099, 24679, 30747, 74037, 184759, 235727, 297221, 554277, 707181, 891663, 6836083, 20508249]

約数ペア:

[(1, 20508249), (3, 6836083), (23, 891663), (29, 707181), (37, 554277), (69, 297221), (87, 235727), (111, 184759), (277, 74037), (667, 30747), (831, 24679), (851, 24099), (1073, 19113), (2001, 10249), (2553, 8033), (3219, 6371)]