20415090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680503}}^1$

素因数の和:680513

約数の個数: 16

約数和(自身を含む): 48996288

約数和(自身を除く): 28581198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680503, 1361006, 2041509, 3402515, 4083018, 6805030, 10207545, 20415090]

約数ペア:

[(1, 20415090), (2, 10207545), (3, 6805030), (5, 4083018), (6, 3402515), (10, 2041509), (15, 1361006), (30, 680503)]