20809408070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189176437}}^1$

素因数の和:189176455

約数の個数: 16

約数和(自身を含む): 40862110608

約数和(自身を除く): 20052702538

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189176437, 378352874, 945882185, 1891764370, 2080940807, 4161881614, 10404704035, 20809408070]

約数ペア:

[(1, 20809408070), (2, 10404704035), (5, 4161881614), (10, 2080940807), (11, 1891764370), (22, 945882185), (55, 378352874), (110, 189176437)]