20854500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13903}}^1$

素因数の和:13925

約数の個数: 48

約数和(自身を含む): 60732672

約数和(自身を除く): 39878172

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, 750, 1500, 13903, 27806, 41709, 55612, 69515, 83418, 139030, 166836, 208545, 278060, 347575, 417090, 695150, 834180, 1042725, 1390300, 1737875, 2085450, 3475750, 4170900, 5213625, 6951500, 10427250, 20854500]

約数ペア:

[(1, 20854500), (2, 10427250), (3, 6951500), (4, 5213625), (5, 4170900), (6, 3475750), (10, 2085450), (12, 1737875), (15, 1390300), (20, 1042725), (25, 834180), (30, 695150), (50, 417090), (60, 347575), (75, 278060), (100, 208545), (125, 166836), (150, 139030), (250, 83418), (300, 69515), (375, 55612), (500, 41709), (750, 27806), (1500, 13903)]