20572801984

素因数分解:

$2^6\times 7^1\times {\mathrm{937}}^1\times {\mathrm{49009}}^1$

素因数の和:49965

約数の個数: 56

約数和(自身を含む): 46706922080

約数和(自身を除く): 26134120096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 937, 1874, 3748, 6559, 7496, 13118, 14992, 26236, 29984, 49009, 52472, 59968, 98018, 104944, 196036, 209888, 343063, 392072, 419776, 686126, 784144, 1372252, 1568288, 2744504, 3136576, 5489008, 10978016, 21956032, 45921433, 91842866, 183685732, 321450031, 367371464, 642900062, 734742928, 1285800124, 1469485856, 2571600248, 2938971712, 5143200496, 10286400992, 20572801984]

約数ペア:

[(1, 20572801984), (2, 10286400992), (4, 5143200496), (7, 2938971712), (8, 2571600248), (14, 1469485856), (16, 1285800124), (28, 734742928), (32, 642900062), (56, 367371464), (64, 321450031), (112, 183685732), (224, 91842866), (448, 45921433), (937, 21956032), (1874, 10978016), (3748, 5489008), (6559, 3136576), (7496, 2744504), (13118, 1568288), (14992, 1372252), (26236, 784144), (29984, 686126), (49009, 419776), (52472, 392072), (59968, 343063), (98018, 209888), (104944, 196036)]