20827500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2777}}^1$

素因数の和:2804

約数の個数: 60

約数和(自身を含む): 60749304

約数和(自身を除く): 39921804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2777, 3750, 5554, 7500, 8331, 11108, 13885, 16662, 27770, 33324, 41655, 55540, 69425, 83310, 138850, 166620, 208275, 277700, 347125, 416550, 694250, 833100, 1041375, 1388500, 1735625, 2082750, 3471250, 4165500, 5206875, 6942500, 10413750, 20827500]

約数ペア:

[(1, 20827500), (2, 10413750), (3, 6942500), (4, 5206875), (5, 4165500), (6, 3471250), (10, 2082750), (12, 1735625), (15, 1388500), (20, 1041375), (25, 833100), (30, 694250), (50, 416550), (60, 347125), (75, 277700), (100, 208275), (125, 166620), (150, 138850), (250, 83310), (300, 69425), (375, 55540), (500, 41655), (625, 33324), (750, 27770), (1250, 16662), (1500, 13885), (1875, 11108), (2500, 8331), (2777, 7500), (3750, 5554)]