20604610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{449}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 19538990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 449, 706, 898, 1765, 2245, 3530, 4490, 4589, 5837, 9178, 11674, 22945, 29185, 45890, 58370, 158497, 316994, 792485, 1584970, 2060461, 4120922, 10302305, 20604610]

約数ペア:

[(1, 20604610), (2, 10302305), (5, 4120922), (10, 2060461), (13, 1584970), (26, 792485), (65, 316994), (130, 158497), (353, 58370), (449, 45890), (706, 29185), (898, 22945), (1765, 11674), (2245, 9178), (3530, 5837), (4490, 4589)]