20884752

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20719}}^1$

素因数の和:20740

約数の個数: 60

約数和(自身を含む): 66801280

約数和(自身を除く): 45916528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20719, 41438, 62157, 82876, 124314, 145033, 165752, 186471, 248628, 290066, 331504, 372942, 435099, 497256, 580132, 745884, 870198, 994512, 1160264, 1305297, 1491768, 1740396, 2320528, 2610594, 2983536, 3480792, 5221188, 6961584, 10442376, 20884752]

約数ペア:

[(1, 20884752), (2, 10442376), (3, 6961584), (4, 5221188), (6, 3480792), (7, 2983536), (8, 2610594), (9, 2320528), (12, 1740396), (14, 1491768), (16, 1305297), (18, 1160264), (21, 994512), (24, 870198), (28, 745884), (36, 580132), (42, 497256), (48, 435099), (56, 372942), (63, 331504), (72, 290066), (84, 248628), (112, 186471), (126, 165752), (144, 145033), (168, 124314), (252, 82876), (336, 62157), (504, 41438), (1008, 20719)]