20779869

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^2$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 31080672

約数和(自身を除く): 10300803

約数列:

[1, 3, 11, 33, 53, 109, 159, 327, 583, 1199, 1749, 3597, 5777, 11881, 17331, 35643, 63547, 130691, 190641, 392073, 629693, 1889079, 6926623, 20779869]

約数ペア:

[(1, 20779869), (3, 6926623), (11, 1889079), (33, 629693), (53, 392073), (109, 190641), (159, 130691), (327, 63547), (583, 35643), (1199, 17331), (1749, 11881), (3597, 5777)]