20675629

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 24243840

約数和(自身を除く): 3568211

約数列:

[1, 13, 19, 47, 137, 169, 247, 611, 893, 1781, 2603, 3211, 6439, 7943, 11609, 23153, 33839, 83707, 122341, 150917, 439907, 1088191, 1590433, 20675629]

約数ペア:

[(1, 20675629), (13, 1590433), (19, 1088191), (47, 439907), (137, 150917), (169, 122341), (247, 83707), (611, 33839), (893, 23153), (1781, 11609), (2603, 7943), (3211, 6439)]