20449974

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{367}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 21837642

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 251, 367, 502, 734, 753, 1101, 1506, 2202, 9287, 13579, 18574, 27158, 27861, 40737, 55722, 81474, 92117, 184234, 276351, 552702, 3408329, 6816658, 10224987, 20449974]

約数ペア:

[(1, 20449974), (2, 10224987), (3, 6816658), (6, 3408329), (37, 552702), (74, 276351), (111, 184234), (222, 92117), (251, 81474), (367, 55722), (502, 40737), (734, 27861), (753, 27158), (1101, 18574), (1506, 13579), (2202, 9287)]