20210938660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{264749}}^1$

素因数の和:265116

約数の個数: 48

約数和(自身を含む): 46435032000

約数和(自身を除く): 26224093340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 3470, 3817, 6940, 7634, 15268, 19085, 38170, 76340, 264749, 529498, 1058996, 1323745, 2647490, 2912239, 5294980, 5824478, 11648956, 14561195, 29122390, 58244780, 91867903, 183735806, 367471612, 459339515, 918679030, 1010546933, 1837358060, 2021093866, 4042187732, 5052734665, 10105469330, 20210938660]

約数ペア:

[(1, 20210938660), (2, 10105469330), (4, 5052734665), (5, 4042187732), (10, 2021093866), (11, 1837358060), (20, 1010546933), (22, 918679030), (44, 459339515), (55, 367471612), (110, 183735806), (220, 91867903), (347, 58244780), (694, 29122390), (1388, 14561195), (1735, 11648956), (3470, 5824478), (3817, 5294980), (6940, 2912239), (7634, 2647490), (15268, 1323745), (19085, 1058996), (38170, 529498), (76340, 264749)]