20901477573

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{18181}}^1$

素因数の和:18301

約数の個数: 56

約数和(自身を含む): 33386515680

約数和(自身を除く): 12485038107

約数列:

[1, 3, 9, 19, 27, 57, 81, 83, 171, 243, 249, 513, 729, 747, 1539, 1577, 2241, 4617, 4731, 6723, 13851, 14193, 18181, 20169, 42579, 54543, 60507, 127737, 163629, 345439, 383211, 490887, 1036317, 1149633, 1472661, 1509023, 3108951, 4417983, 4527069, 9326853, 13253949, 13581207, 27980559, 28671437, 40743621, 83941677, 86014311, 122230863, 251825031, 258042933, 366692589, 774128799, 1100077767, 2322386397, 6967159191, 20901477573]

約数ペア:

[(1, 20901477573), (3, 6967159191), (9, 2322386397), (19, 1100077767), (27, 774128799), (57, 366692589), (81, 258042933), (83, 251825031), (171, 122230863), (243, 86014311), (249, 83941677), (513, 40743621), (729, 28671437), (747, 27980559), (1539, 13581207), (1577, 13253949), (2241, 9326853), (4617, 4527069), (4731, 4417983), (6723, 3108951), (13851, 1509023), (14193, 1472661), (18181, 1149633), (20169, 1036317), (42579, 490887), (54543, 383211), (60507, 345439), (127737, 163629)]