20801472796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{757}}^1\times {\mathrm{1667}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 39402016416

約数和(自身を除く): 18600543620

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 757, 1268, 1514, 1667, 3028, 3334, 4121, 6668, 8242, 9841, 16484, 19682, 21671, 39364, 43342, 86684, 239969, 479938, 528439, 959876, 1056878, 1261919, 2113756, 2523838, 3119597, 5047676, 6239194, 6869707, 12478388, 13739414, 16404947, 27478828, 32809894, 65619788, 400028323, 800056646, 1600113292, 5200368199, 10400736398, 20801472796]

約数ペア:

[(1, 20801472796), (2, 10400736398), (4, 5200368199), (13, 1600113292), (26, 800056646), (52, 400028323), (317, 65619788), (634, 32809894), (757, 27478828), (1268, 16404947), (1514, 13739414), (1667, 12478388), (3028, 6869707), (3334, 6239194), (4121, 5047676), (6668, 3119597), (8242, 2523838), (9841, 2113756), (16484, 1261919), (19682, 1056878), (21671, 959876), (39364, 528439), (43342, 479938), (86684, 239969)]