20199451255

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^2\times {\mathrm{10211}}^1$

素因数の和:10324

約数の個数: 36

約数和(自身を含む): 26466379128

約数和(自身を除く): 6266927873

約数列:

[1, 5, 17, 37, 85, 185, 289, 629, 1369, 1445, 3145, 6845, 10211, 10693, 23273, 51055, 53465, 116365, 173587, 377807, 395641, 867935, 1889035, 1978205, 2950979, 6422719, 13978859, 14754895, 32113595, 69894295, 109186223, 237640603, 545931115, 1188203015, 4039890251, 20199451255]

約数ペア:

[(1, 20199451255), (5, 4039890251), (17, 1188203015), (37, 545931115), (85, 237640603), (185, 109186223), (289, 69894295), (629, 32113595), (1369, 14754895), (1445, 13978859), (3145, 6422719), (6845, 2950979), (10211, 1978205), (10693, 1889035), (23273, 867935), (51055, 395641), (53465, 377807), (116365, 173587)]