20090198548

素因数分解:

$2^2\times 7^2\times {\mathrm{102501013}}^1$

素因数の和:102501031

約数の個数: 18

約数和(自身を含む): 40897904586

約数和(自身を除く): 20807706038

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102501013, 205002026, 410004052, 717507091, 1435014182, 2870028364, 5022549637, 10045099274, 20090198548]

約数ペア:

[(1, 20090198548), (2, 10045099274), (4, 5022549637), (7, 2870028364), (14, 1435014182), (28, 717507091), (49, 410004052), (98, 205002026), (196, 102501013)]