20099835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63809}}^1$

素因数の和:63827

約数の個数: 24

約数和(自身を含む): 39817440

約数和(自身を除く): 19717605

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63809, 191427, 319045, 446663, 574281, 957135, 1339989, 2233315, 2871405, 4019967, 6699945, 20099835]

約数ペア:

[(1, 20099835), (3, 6699945), (5, 4019967), (7, 2871405), (9, 2233315), (15, 1339989), (21, 957135), (35, 574281), (45, 446663), (63, 319045), (105, 191427), (315, 63809)]