20073600001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{19961}}^1$

素因数の和:20281

約数の個数: 32

約数和(自身を含む): 25380165888

約数和(自身を除く): 5306565887

約数列:

[1, 7, 13, 43, 91, 257, 301, 559, 1799, 3341, 3913, 11051, 19961, 23387, 77357, 139727, 143663, 259493, 858323, 1005641, 1816451, 5129977, 6008261, 11158199, 35909839, 66689701, 78107393, 220589011, 466827907, 1544123077, 2867657143, 20073600001]

約数ペア:

[(1, 20073600001), (7, 2867657143), (13, 1544123077), (43, 466827907), (91, 220589011), (257, 78107393), (301, 66689701), (559, 35909839), (1799, 11158199), (3341, 6008261), (3913, 5129977), (11051, 1816451), (19961, 1005641), (23387, 858323), (77357, 259493), (139727, 143663)]