2020080920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353161}}^1$

素因数の和:353196

約数の個数: 64

約数和(自身を含む): 5339809440

約数和(自身を除く): 3319728520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 353161, 706322, 1412644, 1765805, 2825288, 3531610, 3884771, 4591093, 7063220, 7769542, 9182186, 14126440, 15539084, 18364372, 19423855, 22955465, 31078168, 36728744, 38847710, 45910930, 50502023, 77695420, 91821860, 101004046, 155390840, 183643720, 202008092, 252510115, 404016184, 505020230, 1010040460, 2020080920]

約数ペア:

[(1, 2020080920), (2, 1010040460), (4, 505020230), (5, 404016184), (8, 252510115), (10, 202008092), (11, 183643720), (13, 155390840), (20, 101004046), (22, 91821860), (26, 77695420), (40, 50502023), (44, 45910930), (52, 38847710), (55, 36728744), (65, 31078168), (88, 22955465), (104, 19423855), (110, 18364372), (130, 15539084), (143, 14126440), (220, 9182186), (260, 7769542), (286, 7063220), (440, 4591093), (520, 3884771), (572, 3531610), (715, 2825288), (1144, 1765805), (1430, 1412644), (2860, 706322), (5720, 353161)]