20201200

素因数分解:

$2^4\times 5^2\times {\mathrm{50503}}^1$

素因数の和:50521

約数の個数: 30

約数和(自身を含む): 48534344

約数和(自身を除く): 28333144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50503, 101006, 202012, 252515, 404024, 505030, 808048, 1010060, 1262575, 2020120, 2525150, 4040240, 5050300, 10100600, 20201200]

約数ペア:

[(1, 20201200), (2, 10100600), (4, 5050300), (5, 4040240), (8, 2525150), (10, 2020120), (16, 1262575), (20, 1010060), (25, 808048), (40, 505030), (50, 404024), (80, 252515), (100, 202012), (200, 101006), (400, 50503)]