20189700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22433}}^1$

素因数の和:22453

約数の個数: 54

約数和(自身を含む): 63286314

約数和(自身を除く): 43096614

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22433, 44866, 67299, 89732, 112165, 134598, 201897, 224330, 269196, 336495, 403794, 448660, 560825, 672990, 807588, 1009485, 1121650, 1345980, 1682475, 2018970, 2243300, 3364950, 4037940, 5047425, 6729900, 10094850, 20189700]

約数ペア:

[(1, 20189700), (2, 10094850), (3, 6729900), (4, 5047425), (5, 4037940), (6, 3364950), (9, 2243300), (10, 2018970), (12, 1682475), (15, 1345980), (18, 1121650), (20, 1009485), (25, 807588), (30, 672990), (36, 560825), (45, 448660), (50, 403794), (60, 336495), (75, 269196), (90, 224330), (100, 201897), (150, 134598), (180, 112165), (225, 89732), (300, 67299), (450, 44866), (900, 22433)]