20926401405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{18493}}^1$

素因数の和:19350

約数の個数: 64

約数和(自身を含む): 41260853760

約数和(自身を除く): 20334452355

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 829, 1365, 2487, 4145, 5803, 10777, 12435, 17409, 18493, 29015, 32331, 53885, 55479, 75439, 87045, 92465, 129451, 161655, 226317, 240409, 277395, 377195, 388353, 647255, 721227, 1131585, 1202045, 1682863, 1941765, 3606135, 5048589, 8414315, 15330697, 25242945, 45992091, 76653485, 107314879, 199299061, 229960455, 321944637, 536574395, 597897183, 996495305, 1395093427, 1609723185, 2989485915, 4185280281, 6975467135, 20926401405]

約数ペア:

[(1, 20926401405), (3, 6975467135), (5, 4185280281), (7, 2989485915), (13, 1609723185), (15, 1395093427), (21, 996495305), (35, 597897183), (39, 536574395), (65, 321944637), (91, 229960455), (105, 199299061), (195, 107314879), (273, 76653485), (455, 45992091), (829, 25242945), (1365, 15330697), (2487, 8414315), (4145, 5048589), (5803, 3606135), (10777, 1941765), (12435, 1682863), (17409, 1202045), (18493, 1131585), (29015, 721227), (32331, 647255), (53885, 388353), (55479, 377195), (75439, 277395), (87045, 240409), (92465, 226317), (129451, 161655)]