20958157

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 2865203

約数列:

[1, 11, 43, 59, 473, 649, 751, 2537, 8261, 27907, 32293, 44309, 355223, 487399, 1905287, 20958157]

約数ペア:

[(1, 20958157), (11, 1905287), (43, 487399), (59, 355223), (473, 44309), (649, 32293), (751, 27907), (2537, 8261)]