20767071068

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{331171}}^1$

素因数の和:331493

約数の個数: 24

約数和(自身を含む): 37081991184

約数和(自身を除く): 16314920116

約数列:

[1, 2, 4, 61, 122, 244, 257, 514, 1028, 15677, 31354, 62708, 331171, 662342, 1324684, 20201431, 40402862, 80805724, 85110947, 170221894, 340443788, 5191767767, 10383535534, 20767071068]

約数ペア:

[(1, 20767071068), (2, 10383535534), (4, 5191767767), (61, 340443788), (122, 170221894), (244, 85110947), (257, 80805724), (514, 40402862), (1028, 20201431), (15677, 1324684), (31354, 662342), (62708, 331171)]