20555961804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{840941}}^1$

素因数の和:841055

約数の個数: 72

約数和(自身を含む): 59996166048

約数和(自身を除く): 39440204244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3492, 4074, 6111, 8148, 12222, 24444, 840941, 1681882, 2522823, 3363764, 5045646, 5886587, 7568469, 10091292, 11773174, 15136938, 17659761, 23546348, 30273876, 35319522, 52979283, 70639044, 81571277, 105958566, 163142554, 211917132, 244713831, 326285108, 489427662, 570998939, 734141493, 978855324, 1141997878, 1468282986, 1712996817, 2283995756, 2936565972, 3425993634, 5138990451, 6851987268, 10277980902, 20555961804]

約数ペア:

[(1, 20555961804), (2, 10277980902), (3, 6851987268), (4, 5138990451), (6, 3425993634), (7, 2936565972), (9, 2283995756), (12, 1712996817), (14, 1468282986), (18, 1141997878), (21, 978855324), (28, 734141493), (36, 570998939), (42, 489427662), (63, 326285108), (84, 244713831), (97, 211917132), (126, 163142554), (194, 105958566), (252, 81571277), (291, 70639044), (388, 52979283), (582, 35319522), (679, 30273876), (873, 23546348), (1164, 17659761), (1358, 15136938), (1746, 11773174), (2037, 10091292), (2716, 7568469), (3492, 5886587), (4074, 5045646), (6111, 3363764), (8148, 2522823), (12222, 1681882), (24444, 840941)]