20418307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3803}}^1$

素因数の和:3882

約数の個数: 16

約数和(自身を含む): 25562880

約数和(自身を除く): 5144573

約数列:

[1, 7, 13, 59, 91, 413, 767, 3803, 5369, 26621, 49439, 224377, 346073, 1570639, 2916901, 20418307]

約数ペア:

[(1, 20418307), (7, 2916901), (13, 1570639), (59, 346073), (91, 224377), (413, 49439), (767, 26621), (3803, 5369)]