20857551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48619}}^1$

素因数の和:48646

約数の個数: 16

約数和(自身を含む): 32672640

約数和(自身を除く): 11815089

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48619, 145857, 534809, 632047, 1604427, 1896141, 6952517, 20857551]

約数ペア:

[(1, 20857551), (3, 6952517), (11, 1896141), (13, 1604427), (33, 632047), (39, 534809), (143, 145857), (429, 48619)]