20369177872

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9158803}}^1$

素因数の和:9158950

約数の個数: 20

約数和(自身を含む): 39749209360

約数和(自身を除く): 19380031488

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9158803, 18317606, 36635212, 73270424, 146540848, 1273073617, 2546147234, 5092294468, 10184588936, 20369177872]

約数ペア:

[(1, 20369177872), (2, 10184588936), (4, 5092294468), (8, 2546147234), (16, 1273073617), (139, 146540848), (278, 73270424), (556, 36635212), (1112, 18317606), (2224, 9158803)]