20286900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22541}}^1$

素因数の和:22561

約数の個数: 54

約数和(自身を含む): 63590982

約数和(自身を除く): 43304082

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, 22541, 45082, 67623, 90164, 112705, 135246, 202869, 225410, 270492, 338115, 405738, 450820, 563525, 676230, 811476, 1014345, 1127050, 1352460, 1690575, 2028690, 2254100, 3381150, 4057380, 5071725, 6762300, 10143450, 20286900]

約数ペア:

[(1, 20286900), (2, 10143450), (3, 6762300), (4, 5071725), (5, 4057380), (6, 3381150), (9, 2254100), (10, 2028690), (12, 1690575), (15, 1352460), (18, 1127050), (20, 1014345), (25, 811476), (30, 676230), (36, 563525), (45, 450820), (50, 405738), (60, 338115), (75, 270492), (90, 225410), (100, 202869), (150, 135246), (180, 112705), (225, 90164), (300, 67623), (450, 45082), (900, 22541)]