20515348

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1669}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 41148800

約数和(自身を除く): 20633452

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1669, 1756, 3073, 3338, 6146, 6676, 11683, 12292, 23366, 46732, 732691, 1465382, 2930764, 5128837, 10257674, 20515348]

約数ペア:

[(1, 20515348), (2, 10257674), (4, 5128837), (7, 2930764), (14, 1465382), (28, 732691), (439, 46732), (878, 23366), (1669, 12292), (1756, 11683), (3073, 6676), (3338, 6146)]