20259900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22511}}^1$

素因数の和:22531

約数の個数: 54

約数和(自身を含む): 63506352

約数和(自身を除く): 43246452

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, 22511, 45022, 67533, 90044, 112555, 135066, 202599, 225110, 270132, 337665, 405198, 450220, 562775, 675330, 810396, 1012995, 1125550, 1350660, 1688325, 2025990, 2251100, 3376650, 4051980, 5064975, 6753300, 10129950, 20259900]

約数ペア:

[(1, 20259900), (2, 10129950), (3, 6753300), (4, 5064975), (5, 4051980), (6, 3376650), (9, 2251100), (10, 2025990), (12, 1688325), (15, 1350660), (18, 1125550), (20, 1012995), (25, 810396), (30, 675330), (36, 562775), (45, 450220), (50, 405198), (60, 337665), (75, 270132), (90, 225110), (100, 202599), (150, 135066), (180, 112555), (225, 90044), (300, 67533), (450, 45022), (900, 22511)]