20512222068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131488603}}^1$

素因数の和:131488623

約数の個数: 24

約数和(自身を含む): 51543532768

約数和(自身を除く): 31031310700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131488603, 262977206, 394465809, 525954412, 788931618, 1577863236, 1709351839, 3418703678, 5128055517, 6837407356, 10256111034, 20512222068]

約数ペア:

[(1, 20512222068), (2, 10256111034), (3, 6837407356), (4, 5128055517), (6, 3418703678), (12, 1709351839), (13, 1577863236), (26, 788931618), (39, 525954412), (52, 394465809), (78, 262977206), (156, 131488603)]