20512355855

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1\times {\mathrm{43457}}^1$

素因数の和:44938

約数の個数: 16

約数和(自身を含む): 25000518240

約数和(自身を除く): 4488162385

約数列:

[1, 5, 67, 335, 1409, 7045, 43457, 94403, 217285, 472015, 2911619, 14558095, 61230913, 306154565, 4102471171, 20512355855]

約数ペア:

[(1, 20512355855), (5, 4102471171), (67, 306154565), (335, 61230913), (1409, 14558095), (7045, 2911619), (43457, 472015), (94403, 217285)]