20145679970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154966769}}^1$

素因数の和:154966789

約数の個数: 16

約数和(自身を含む): 39051626040

約数和(自身を除く): 18905946070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 154966769, 309933538, 774833845, 1549667690, 2014567997, 4029135994, 10072839985, 20145679970]

約数ペア:

[(1, 20145679970), (2, 10072839985), (5, 4029135994), (10, 2014567997), (13, 1549667690), (26, 774833845), (65, 309933538), (130, 154966769)]