20840182385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{591127}}^1$

素因数の和:591784

約数の個数: 16

約数和(自身を含む): 27324300672

約数和(自身を除く): 6484118287

約数列:

[1, 5, 11, 55, 641, 3205, 7051, 35255, 591127, 2955635, 6502397, 32511985, 378912407, 1894562035, 4168036477, 20840182385]

約数ペア:

[(1, 20840182385), (5, 4168036477), (11, 1894562035), (55, 378912407), (641, 32511985), (3205, 6502397), (7051, 2955635), (35255, 591127)]