20621950448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{25367}}^1$

素因数の和:25566

約数の個数: 80

約数和(自身を含む): 45297100800

約数和(自身を除く): 24675150352

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 149, 176, 248, 298, 341, 496, 596, 682, 1192, 1364, 1639, 2384, 2728, 3278, 4619, 5456, 6556, 9238, 13112, 18476, 25367, 26224, 36952, 50734, 50809, 73904, 101468, 101618, 202936, 203236, 279037, 405872, 406472, 558074, 786377, 812944, 1116148, 1572754, 2232296, 3145508, 3779683, 4464592, 6291016, 7559366, 8650147, 12582032, 15118732, 17300294, 30237464, 34600588, 41576513, 60474928, 69201176, 83153026, 117170173, 138402352, 166306052, 234340346, 332612104, 468680692, 665224208, 937361384, 1288871903, 1874722768, 2577743806, 5155487612, 10310975224, 20621950448]

約数ペア:

[(1, 20621950448), (2, 10310975224), (4, 5155487612), (8, 2577743806), (11, 1874722768), (16, 1288871903), (22, 937361384), (31, 665224208), (44, 468680692), (62, 332612104), (88, 234340346), (124, 166306052), (149, 138402352), (176, 117170173), (248, 83153026), (298, 69201176), (341, 60474928), (496, 41576513), (596, 34600588), (682, 30237464), (1192, 17300294), (1364, 15118732), (1639, 12582032), (2384, 8650147), (2728, 7559366), (3278, 6291016), (4619, 4464592), (5456, 3779683), (6556, 3145508), (9238, 2232296), (13112, 1572754), (18476, 1116148), (25367, 812944), (26224, 786377), (36952, 558074), (50734, 406472), (50809, 405872), (73904, 279037), (101468, 203236), (101618, 202936)]