20805090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693503}}^1$

素因数の和:693513

約数の個数: 16

約数和(自身を含む): 49932288

約数和(自身を除く): 29127198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693503, 1387006, 2080509, 3467515, 4161018, 6935030, 10402545, 20805090]

約数ペア:

[(1, 20805090), (2, 10402545), (3, 6935030), (5, 4161018), (6, 3467515), (10, 2080509), (15, 1387006), (30, 693503)]