20450360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73037}}^1$

素因数の和:73055

約数の個数: 32

約数和(自身を含む): 52587360

約数和(自身を除く): 32137000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73037, 146074, 292148, 365185, 511259, 584296, 730370, 1022518, 1460740, 2045036, 2556295, 2921480, 4090072, 5112590, 10225180, 20450360]

約数ペア:

[(1, 20450360), (2, 10225180), (4, 5112590), (5, 4090072), (7, 2921480), (8, 2556295), (10, 2045036), (14, 1460740), (20, 1022518), (28, 730370), (35, 584296), (40, 511259), (56, 365185), (70, 292148), (140, 146074), (280, 73037)]