20988612

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6269}}^1$

素因数の和:6313

約数の個数: 48

約数和(自身を含む): 56179200

約数和(自身を除く): 35190588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6269, 12538, 18807, 25076, 37614, 56421, 75228, 112842, 169263, 194339, 225684, 338526, 388678, 583017, 677052, 777356, 1166034, 1749051, 2332068, 3498102, 5247153, 6996204, 10494306, 20988612]

約数ペア:

[(1, 20988612), (2, 10494306), (3, 6996204), (4, 5247153), (6, 3498102), (9, 2332068), (12, 1749051), (18, 1166034), (27, 777356), (31, 677052), (36, 583017), (54, 388678), (62, 338526), (93, 225684), (108, 194339), (124, 169263), (186, 112842), (279, 75228), (372, 56421), (558, 37614), (837, 25076), (1116, 18807), (1674, 12538), (3348, 6269)]