20129974515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63904681}}^1$

素因数の和:63904699

約数の個数: 24

約数和(自身を含む): 39876521568

約数和(自身を除く): 19746547053

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63904681, 191714043, 319523405, 447332767, 575142129, 958570215, 1341998301, 2236663835, 2875710645, 4025994903, 6709991505, 20129974515]

約数ペア:

[(1, 20129974515), (3, 6709991505), (5, 4025994903), (7, 2875710645), (9, 2236663835), (15, 1341998301), (21, 958570215), (35, 575142129), (45, 447332767), (63, 319523405), (105, 191714043), (315, 63904681)]