2020565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{937}}^1$

素因数の和:1237

約数の個数: 96

約数和(自身を含む): 4944355584

約数和(自身を除く): 2923790044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 211, 292, 365, 422, 511, 730, 844, 937, 1022, 1055, 1460, 1477, 1874, 2044, 2110, 2555, 2954, 3748, 4220, 4685, 5110, 5908, 6559, 7385, 9370, 10220, 13118, 14770, 15403, 18740, 26236, 29540, 30806, 32795, 61612, 65590, 68401, 77015, 107821, 131180, 136802, 154030, 197707, 215642, 273604, 308060, 342005, 395414, 431284, 478807, 539105, 684010, 790828, 957614, 988535, 1078210, 1368020, 1383949, 1915228, 1977070, 2156420, 2394035, 2767898, 3954140, 4788070, 5535796, 6919745, 9576140, 13839490, 14432611, 27678980, 28865222, 57730444, 72163055, 101028277, 144326110, 202056554, 288652220, 404113108, 505141385, 1010282770, 2020565540]

約数ペア:

[(1, 2020565540), (2, 1010282770), (4, 505141385), (5, 404113108), (7, 288652220), (10, 202056554), (14, 144326110), (20, 101028277), (28, 72163055), (35, 57730444), (70, 28865222), (73, 27678980), (140, 14432611), (146, 13839490), (211, 9576140), (292, 6919745), (365, 5535796), (422, 4788070), (511, 3954140), (730, 2767898), (844, 2394035), (937, 2156420), (1022, 1977070), (1055, 1915228), (1460, 1383949), (1477, 1368020), (1874, 1078210), (2044, 988535), (2110, 957614), (2555, 790828), (2954, 684010), (3748, 539105), (4220, 478807), (4685, 431284), (5110, 395414), (5908, 342005), (6559, 308060), (7385, 273604), (9370, 215642), (10220, 197707), (13118, 154030), (14770, 136802), (15403, 131180), (18740, 107821), (26236, 77015), (29540, 68401), (30806, 65590), (32795, 61612)]