20705550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 51663360

約数和(自身を除く): 30957810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 223, 446, 619, 669, 1115, 1238, 1338, 1857, 2230, 3095, 3345, 3714, 5575, 6190, 6690, 9285, 11150, 15475, 16725, 18570, 30950, 33450, 46425, 92850, 138037, 276074, 414111, 690185, 828222, 1380370, 2070555, 3450925, 4141110, 6901850, 10352775, 20705550]

約数ペア:

[(1, 20705550), (2, 10352775), (3, 6901850), (5, 4141110), (6, 3450925), (10, 2070555), (15, 1380370), (25, 828222), (30, 690185), (50, 414111), (75, 276074), (150, 138037), (223, 92850), (446, 46425), (619, 33450), (669, 30950), (1115, 18570), (1238, 16725), (1338, 15475), (1857, 11150), (2230, 9285), (3095, 6690), (3345, 6190), (3714, 5575)]