20199751955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{4363}}^1$

素因数の和:4835

約数の個数: 32

約数和(自身を含む): 25579044864

約数和(自身を除く): 5379292909

約数列:

[1, 5, 23, 115, 127, 317, 635, 1585, 2921, 4363, 7291, 14605, 21815, 36455, 40259, 100349, 201295, 501745, 554101, 925957, 1383071, 2770505, 4629785, 6915355, 12744323, 31810633, 63721615, 159053165, 175650017, 878250085, 4039950391, 20199751955]

約数ペア:

[(1, 20199751955), (5, 4039950391), (23, 878250085), (115, 175650017), (127, 159053165), (317, 63721615), (635, 31810633), (1585, 12744323), (2921, 6915355), (4363, 4629785), (7291, 2770505), (14605, 1383071), (21815, 925957), (36455, 554101), (40259, 501745), (100349, 201295)]