20163383772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{218417}}^1$

素因数の和:218595

約数の個数: 72

約数和(自身を含む): 55078030224

約数和(自身を除く): 34914646452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 471, 588, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 7693, 13188, 15386, 23079, 30772, 46158, 92316, 218417, 436834, 655251, 873668, 1310502, 1528919, 2621004, 3057838, 4586757, 6115676, 9173514, 10702433, 18347028, 21404866, 32107299, 34291469, 42809732, 64214598, 68582938, 102874407, 128429196, 137165876, 205748814, 240040283, 411497628, 480080566, 720120849, 960161132, 1440241698, 1680281981, 2880483396, 3360563962, 5040845943, 6721127924, 10081691886, 20163383772]

約数ペア:

[(1, 20163383772), (2, 10081691886), (3, 6721127924), (4, 5040845943), (6, 3360563962), (7, 2880483396), (12, 1680281981), (14, 1440241698), (21, 960161132), (28, 720120849), (42, 480080566), (49, 411497628), (84, 240040283), (98, 205748814), (147, 137165876), (157, 128429196), (196, 102874407), (294, 68582938), (314, 64214598), (471, 42809732), (588, 34291469), (628, 32107299), (942, 21404866), (1099, 18347028), (1884, 10702433), (2198, 9173514), (3297, 6115676), (4396, 4586757), (6594, 3057838), (7693, 2621004), (13188, 1528919), (15386, 1310502), (23079, 873668), (30772, 655251), (46158, 436834), (92316, 218417)]