20183319920

素因数分解:

$2^4\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{240049}}^1$

素因数の和:241113

約数の個数: 40

約数和(自身を含む): 46971063600

約数和(自身を除く): 26787743680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051, 2102, 4204, 5255, 8408, 10510, 16816, 21020, 42040, 84080, 240049, 480098, 960196, 1200245, 1920392, 2400490, 3840784, 4800980, 9601960, 19203920, 252291499, 504582998, 1009165996, 1261457495, 2018331992, 2522914990, 4036663984, 5045829980, 10091659960, 20183319920]

約数ペア:

[(1, 20183319920), (2, 10091659960), (4, 5045829980), (5, 4036663984), (8, 2522914990), (10, 2018331992), (16, 1261457495), (20, 1009165996), (40, 504582998), (80, 252291499), (1051, 19203920), (2102, 9601960), (4204, 4800980), (5255, 3840784), (8408, 2400490), (10510, 1920392), (16816, 1200245), (21020, 960196), (42040, 480098), (84080, 240049)]