20531571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15661}}^1$

素因数の和:15706

約数の個数: 16

約数和(自身を含む): 30071040

約数和(自身を除く): 9539469

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15661, 46983, 297559, 360203, 892677, 1080609, 6843857, 20531571]

約数ペア:

[(1, 20531571), (3, 6843857), (19, 1080609), (23, 892677), (57, 360203), (69, 297559), (437, 46983), (1311, 15661)]