20147072080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5856707}}^1$

素因数の和:5856763

約数の個数: 40

約数和(自身を含む): 47931298272

約数和(自身を除く): 27784226192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 5856707, 11713414, 23426828, 29283535, 46853656, 58567070, 93707312, 117134140, 234268280, 251838401, 468536560, 503676802, 1007353604, 1259192005, 2014707208, 2518384010, 4029414416, 5036768020, 10073536040, 20147072080]

約数ペア:

[(1, 20147072080), (2, 10073536040), (4, 5036768020), (5, 4029414416), (8, 2518384010), (10, 2014707208), (16, 1259192005), (20, 1007353604), (40, 503676802), (43, 468536560), (80, 251838401), (86, 234268280), (172, 117134140), (215, 93707312), (344, 58567070), (430, 46853656), (688, 29283535), (860, 23426828), (1720, 11713414), (3440, 5856707)]