20551497278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1\times {\mathrm{121963}}^1$

素因数の和:128459

約数の個数: 16

約数和(自身を含む): 33203967216

約数和(自身を除く): 12652469938

約数列:

[1, 2, 13, 26, 6481, 12962, 84253, 121963, 168506, 243926, 1585519, 3171038, 790442203, 1580884406, 10275748639, 20551497278]

約数ペア:

[(1, 20551497278), (2, 10275748639), (13, 1580884406), (26, 790442203), (6481, 3171038), (12962, 1585519), (84253, 243926), (121963, 168506)]