20219306800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{656471}}^1$

素因数の和:656507

約数の個数: 120

約数和(自身を含む): 60563480832

約数和(自身を除く): 40344174032

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 275, 280, 308, 350, 385, 400, 440, 550, 560, 616, 700, 770, 880, 1100, 1232, 1400, 1540, 1925, 2200, 2800, 3080, 3850, 4400, 6160, 7700, 15400, 30800, 656471, 1312942, 2625884, 3282355, 4595297, 5251768, 6564710, 7221181, 9190594, 10503536, 13129420, 14442362, 16411775, 18381188, 22976485, 26258840, 28884724, 32823550, 36105905, 36762376, 45952970, 50548267, 52517680, 57769448, 65647100, 72211810, 73524752, 91905940, 101096534, 114882425, 115538896, 131294200, 144423620, 180529525, 183811880, 202193068, 229764850, 252741335, 262588400, 288847240, 361059050, 367623760, 404386136, 459529700, 505482670, 577694480, 722118100, 808772272, 919059400, 1010965340, 1263706675, 1444236200, 1838118800, 2021930680, 2527413350, 2888472400, 4043861360, 5054826700, 10109653400, 20219306800]

約数ペア:

[(1, 20219306800), (2, 10109653400), (4, 5054826700), (5, 4043861360), (7, 2888472400), (8, 2527413350), (10, 2021930680), (11, 1838118800), (14, 1444236200), (16, 1263706675), (20, 1010965340), (22, 919059400), (25, 808772272), (28, 722118100), (35, 577694480), (40, 505482670), (44, 459529700), (50, 404386136), (55, 367623760), (56, 361059050), (70, 288847240), (77, 262588400), (80, 252741335), (88, 229764850), (100, 202193068), (110, 183811880), (112, 180529525), (140, 144423620), (154, 131294200), (175, 115538896), (176, 114882425), (200, 101096534), (220, 91905940), (275, 73524752), (280, 72211810), (308, 65647100), (350, 57769448), (385, 52517680), (400, 50548267), (440, 45952970), (550, 36762376), (560, 36105905), (616, 32823550), (700, 28884724), (770, 26258840), (880, 22976485), (1100, 18381188), (1232, 16411775), (1400, 14442362), (1540, 13129420), (1925, 10503536), (2200, 9190594), (2800, 7221181), (3080, 6564710), (3850, 5251768), (4400, 4595297), (6160, 3282355), (7700, 2625884), (15400, 1312942), (30800, 656471)]