20702025

素因数分解:

$3^2\times 5^2\times {\mathrm{92009}}^1$

素因数の和:92025

約数の個数: 18

約数和(自身を含む): 37080030

約数和(自身を除く): 16378005

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 92009, 276027, 460045, 828081, 1380135, 2300225, 4140405, 6900675, 20702025]

約数ペア:

[(1, 20702025), (3, 6900675), (5, 4140405), (9, 2300225), (15, 1380135), (25, 828081), (45, 460045), (75, 276027), (225, 92009)]