19960759

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 25297920

約数和(自身を除く): 5337161

約数列:

[1, 7, 13, 47, 91, 169, 329, 359, 611, 1183, 2513, 4277, 4667, 7943, 16873, 32669, 55601, 60671, 118111, 219349, 424697, 1535443, 2851537, 19960759]

約数ペア:

[(1, 19960759), (7, 2851537), (13, 1535443), (47, 424697), (91, 219349), (169, 118111), (329, 60671), (359, 55601), (611, 32669), (1183, 16873), (2513, 7943), (4277, 4667)]