20378330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3271}}^1$

素因数の和:3374

約数の個数: 32

約数和(自身を含む): 42405120

約数和(自身を除く): 22026790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3271, 6230, 6542, 16355, 22897, 32710, 45794, 114485, 228970, 291119, 582238, 1455595, 2037833, 2911190, 4075666, 10189165, 20378330]

約数ペア:

[(1, 20378330), (2, 10189165), (5, 4075666), (7, 2911190), (10, 2037833), (14, 1455595), (35, 582238), (70, 291119), (89, 228970), (178, 114485), (445, 45794), (623, 32710), (890, 22897), (1246, 16355), (3115, 6542), (3271, 6230)]