20353770157

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{1367}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 23847063552

約数和(自身を除く): 3493293395

約数列:

[1, 7, 103, 107, 193, 721, 749, 1351, 1367, 9569, 11021, 19879, 20651, 77147, 139153, 140801, 144557, 146269, 263831, 985607, 1023883, 1846817, 2127053, 14889371, 15065707, 27174593, 28229917, 105459949, 190222151, 197609419, 2907681451, 20353770157]

約数ペア:

[(1, 20353770157), (7, 2907681451), (103, 197609419), (107, 190222151), (193, 105459949), (721, 28229917), (749, 27174593), (1351, 15065707), (1367, 14889371), (9569, 2127053), (11021, 1846817), (19879, 1023883), (20651, 985607), (77147, 263831), (139153, 146269), (140801, 144557)]