20375100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22639}}^1$

素因数の和:22659

約数の個数: 54

約数和(自身を含む): 63867440

約数和(自身を除く): 43492340

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, 22639, 45278, 67917, 90556, 113195, 135834, 203751, 226390, 271668, 339585, 407502, 452780, 565975, 679170, 815004, 1018755, 1131950, 1358340, 1697925, 2037510, 2263900, 3395850, 4075020, 5093775, 6791700, 10187550, 20375100]

約数ペア:

[(1, 20375100), (2, 10187550), (3, 6791700), (4, 5093775), (5, 4075020), (6, 3395850), (9, 2263900), (10, 2037510), (12, 1697925), (15, 1358340), (18, 1131950), (20, 1018755), (25, 815004), (30, 679170), (36, 565975), (45, 452780), (50, 407502), (60, 339585), (75, 271668), (90, 226390), (100, 203751), (150, 135834), (180, 113195), (225, 90556), (300, 67917), (450, 45278), (900, 22639)]