20703090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690103}}^1$

素因数の和:690113

約数の個数: 16

約数和(自身を含む): 49687488

約数和(自身を除く): 28984398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690103, 1380206, 2070309, 3450515, 4140618, 6901030, 10351545, 20703090]

約数ペア:

[(1, 20703090), (2, 10351545), (3, 6901030), (5, 4140618), (6, 3450515), (10, 2070309), (15, 1380206), (30, 690103)]