20578824

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 68468400

約数和(自身を除く): 47889576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 168, 171, 196, 228, 252, 266, 294, 307, 342, 392, 399, 441, 456, 504, 532, 588, 614, 684, 798, 882, 921, 931, 1064, 1176, 1197, 1228, 1368, 1596, 1764, 1842, 1862, 2149, 2394, 2456, 2763, 2793, 3192, 3528, 3684, 3724, 4298, 4788, 5526, 5586, 5833, 6447, 7368, 7448, 8379, 8596, 9576, 11052, 11172, 11666, 12894, 15043, 16758, 17192, 17499, 19341, 22104, 22344, 23332, 25788, 30086, 33516, 34998, 38682, 40831, 45129, 46664, 51576, 52497, 60172, 67032, 69996, 77364, 81662, 90258, 104994, 120344, 122493, 135387, 139992, 154728, 163324, 180516, 209988, 244986, 270774, 285817, 326648, 361032, 367479, 419976, 489972, 541548, 571634, 734958, 857451, 979944, 1083096, 1143268, 1469916, 1714902, 2286536, 2572353, 2939832, 3429804, 5144706, 6859608, 10289412, 20578824]

約数ペア:

[(1, 20578824), (2, 10289412), (3, 6859608), (4, 5144706), (6, 3429804), (7, 2939832), (8, 2572353), (9, 2286536), (12, 1714902), (14, 1469916), (18, 1143268), (19, 1083096), (21, 979944), (24, 857451), (28, 734958), (36, 571634), (38, 541548), (42, 489972), (49, 419976), (56, 367479), (57, 361032), (63, 326648), (72, 285817), (76, 270774), (84, 244986), (98, 209988), (114, 180516), (126, 163324), (133, 154728), (147, 139992), (152, 135387), (168, 122493), (171, 120344), (196, 104994), (228, 90258), (252, 81662), (266, 77364), (294, 69996), (307, 67032), (342, 60172), (392, 52497), (399, 51576), (441, 46664), (456, 45129), (504, 40831), (532, 38682), (588, 34998), (614, 33516), (684, 30086), (798, 25788), (882, 23332), (921, 22344), (931, 22104), (1064, 19341), (1176, 17499), (1197, 17192), (1228, 16758), (1368, 15043), (1596, 12894), (1764, 11666), (1842, 11172), (1862, 11052), (2149, 9576), (2394, 8596), (2456, 8379), (2763, 7448), (2793, 7368), (3192, 6447), (3528, 5833), (3684, 5586), (3724, 5526), (4298, 4788)]