20550516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{701}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 34486284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 349, 698, 701, 1047, 1396, 1402, 2094, 2103, 2443, 2804, 4188, 4206, 4886, 4907, 7329, 8412, 9772, 9814, 14658, 14721, 19628, 29316, 29442, 58884, 244649, 489298, 733947, 978596, 1467894, 1712543, 2935788, 3425086, 5137629, 6850172, 10275258, 20550516]

約数ペア:

[(1, 20550516), (2, 10275258), (3, 6850172), (4, 5137629), (6, 3425086), (7, 2935788), (12, 1712543), (14, 1467894), (21, 978596), (28, 733947), (42, 489298), (84, 244649), (349, 58884), (698, 29442), (701, 29316), (1047, 19628), (1396, 14721), (1402, 14658), (2094, 9814), (2103, 9772), (2443, 8412), (2804, 7329), (4188, 4907), (4206, 4886)]