20404846865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13648727}}^1$

素因数の和:13648768

約数の個数: 16

約数和(自身を含む): 27515835648

約数和(自身を除く): 7110988783

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13648727, 68243635, 177433451, 313920721, 887167255, 1569603605, 4080969373, 20404846865]

約数ペア:

[(1, 20404846865), (5, 4080969373), (13, 1569603605), (23, 887167255), (65, 313920721), (115, 177433451), (299, 68243635), (1495, 13648727)]