20539532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20825

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 20208868

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20789, 41578, 83156, 270257, 394991, 540514, 789982, 1081028, 1579964, 5134883, 10269766, 20539532]

約数ペア:

[(1, 20539532), (2, 10269766), (4, 5134883), (13, 1579964), (19, 1081028), (26, 789982), (38, 540514), (52, 394991), (76, 270257), (247, 83156), (494, 41578), (988, 20789)]