20905150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59729}}^1$

素因数の和:59748

約数の個数: 24

約数和(自身を含む): 44439120

約数和(自身を除く): 23533970

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 59729, 119458, 298645, 418103, 597290, 836206, 1493225, 2090515, 2986450, 4181030, 10452575, 20905150]

約数ペア:

[(1, 20905150), (2, 10452575), (5, 4181030), (7, 2986450), (10, 2090515), (14, 1493225), (25, 836206), (35, 597290), (50, 418103), (70, 298645), (175, 119458), (350, 59729)]