20291843792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{7727}}^1$

素因数の和:8136

約数の個数: 80

約数和(自身を含む): 44019182592

約数和(自身を除く): 23727338800

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 347, 473, 688, 694, 946, 1388, 1892, 2776, 3784, 3817, 5552, 7568, 7634, 7727, 14921, 15268, 15454, 29842, 30536, 30908, 59684, 61072, 61816, 84997, 119368, 123632, 164131, 169994, 238736, 328262, 332261, 339988, 656524, 664522, 679976, 1313048, 1329044, 1359952, 2626096, 2658088, 2681269, 3654871, 5316176, 5362538, 7309742, 10725076, 14619484, 21450152, 29238968, 29493959, 42900304, 58477936, 58987918, 115294567, 117975836, 230589134, 235951672, 461178268, 471903344, 922356536, 1268240237, 1844713072, 2536480474, 5072960948, 10145921896, 20291843792]

約数ペア:

[(1, 20291843792), (2, 10145921896), (4, 5072960948), (8, 2536480474), (11, 1844713072), (16, 1268240237), (22, 922356536), (43, 471903344), (44, 461178268), (86, 235951672), (88, 230589134), (172, 117975836), (176, 115294567), (344, 58987918), (347, 58477936), (473, 42900304), (688, 29493959), (694, 29238968), (946, 21450152), (1388, 14619484), (1892, 10725076), (2776, 7309742), (3784, 5362538), (3817, 5316176), (5552, 3654871), (7568, 2681269), (7634, 2658088), (7727, 2626096), (14921, 1359952), (15268, 1329044), (15454, 1313048), (29842, 679976), (30536, 664522), (30908, 656524), (59684, 339988), (61072, 332261), (61816, 328262), (84997, 238736), (119368, 169994), (123632, 164131)]