20690754018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{235181}}^1$

素因数の和:235271

約数の個数: 64

約数和(自身を含む): 47683620864

約数和(自身を除く): 26992866846

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 43, 62, 66, 86, 93, 129, 186, 258, 341, 473, 682, 946, 1023, 1333, 1419, 2046, 2666, 2838, 3999, 7998, 14663, 29326, 43989, 87978, 235181, 470362, 705543, 1411086, 2586991, 5173982, 7290611, 7760973, 10112783, 14581222, 15521946, 20225566, 21871833, 30338349, 43743666, 60676698, 80196721, 111240613, 160393442, 222481226, 240590163, 313496273, 333721839, 481180326, 626992546, 667443678, 940488819, 1880977638, 3448459003, 6896918006, 10345377009, 20690754018]

約数ペア:

[(1, 20690754018), (2, 10345377009), (3, 6896918006), (6, 3448459003), (11, 1880977638), (22, 940488819), (31, 667443678), (33, 626992546), (43, 481180326), (62, 333721839), (66, 313496273), (86, 240590163), (93, 222481226), (129, 160393442), (186, 111240613), (258, 80196721), (341, 60676698), (473, 43743666), (682, 30338349), (946, 21871833), (1023, 20225566), (1333, 15521946), (1419, 14581222), (2046, 10112783), (2666, 7760973), (2838, 7290611), (3999, 5173982), (7998, 2586991), (14663, 1411086), (29326, 705543), (43989, 470362), (87978, 235181)]