20576304

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 66736800

約数和(自身を除く): 46160496

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, 137, 144, 149, 168, 252, 274, 298, 336, 411, 447, 504, 548, 596, 822, 894, 959, 1008, 1043, 1096, 1192, 1233, 1341, 1644, 1788, 1918, 2086, 2192, 2384, 2466, 2682, 2877, 3129, 3288, 3576, 3836, 4172, 4932, 5364, 5754, 6258, 6576, 7152, 7672, 8344, 8631, 9387, 9864, 10728, 11508, 12516, 15344, 16688, 17262, 18774, 19728, 20413, 21456, 23016, 25032, 34524, 37548, 40826, 46032, 50064, 61239, 69048, 75096, 81652, 122478, 138096, 142891, 150192, 163304, 183717, 244956, 285782, 326608, 367434, 428673, 489912, 571564, 734868, 857346, 979824, 1143128, 1286019, 1469736, 1714692, 2286256, 2572038, 2939472, 3429384, 5144076, 6858768, 10288152, 20576304]

約数ペア:

[(1, 20576304), (2, 10288152), (3, 6858768), (4, 5144076), (6, 3429384), (7, 2939472), (8, 2572038), (9, 2286256), (12, 1714692), (14, 1469736), (16, 1286019), (18, 1143128), (21, 979824), (24, 857346), (28, 734868), (36, 571564), (42, 489912), (48, 428673), (56, 367434), (63, 326608), (72, 285782), (84, 244956), (112, 183717), (126, 163304), (137, 150192), (144, 142891), (149, 138096), (168, 122478), (252, 81652), (274, 75096), (298, 69048), (336, 61239), (411, 50064), (447, 46032), (504, 40826), (548, 37548), (596, 34524), (822, 25032), (894, 23016), (959, 21456), (1008, 20413), (1043, 19728), (1096, 18774), (1192, 17262), (1233, 16688), (1341, 15344), (1644, 12516), (1788, 11508), (1918, 10728), (2086, 9864), (2192, 9387), (2384, 8631), (2466, 8344), (2682, 7672), (2877, 7152), (3129, 6576), (3288, 6258), (3576, 5754), (3836, 5364), (4172, 4932)]