20050804785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1351

約数の個数: 128

約数和(自身を含む): 39141273600

約数和(自身を除く): 19090468815

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 165, 187, 209, 255, 285, 323, 439, 561, 627, 857, 935, 969, 1045, 1317, 1615, 2195, 2571, 2805, 3135, 3553, 4285, 4829, 4845, 6585, 7463, 8341, 9427, 10659, 12855, 14487, 14569, 16283, 17765, 22389, 24145, 25023, 28281, 37315, 41705, 43707, 47135, 48849, 53295, 72435, 72845, 81415, 82093, 91751, 111945, 125115, 141405, 141797, 160259, 179113, 218535, 244245, 246279, 275253, 276811, 376223, 410465, 425391, 458755, 480777, 537339, 708985, 801295, 830433, 895565, 1128669, 1231395, 1376265, 1384055, 1559767, 1881115, 2126955, 2403885, 2686695, 3044921, 4138453, 4152165, 4679301, 5643345, 6395791, 7148237, 7798835, 9134763, 12415359, 15224605, 19187373, 20692265, 21444711, 23396505, 31978955, 35741185, 45673815, 62076795, 70353701, 78630607, 95936865, 107223555, 121520029, 211061103, 235891821, 351768505, 364560087, 393153035, 607600145, 1055305515, 1179459105, 1336720319, 1822800435, 4010160957, 6683601595, 20050804785]

約数ペア:

[(1, 20050804785), (3, 6683601595), (5, 4010160957), (11, 1822800435), (15, 1336720319), (17, 1179459105), (19, 1055305515), (33, 607600145), (51, 393153035), (55, 364560087), (57, 351768505), (85, 235891821), (95, 211061103), (165, 121520029), (187, 107223555), (209, 95936865), (255, 78630607), (285, 70353701), (323, 62076795), (439, 45673815), (561, 35741185), (627, 31978955), (857, 23396505), (935, 21444711), (969, 20692265), (1045, 19187373), (1317, 15224605), (1615, 12415359), (2195, 9134763), (2571, 7798835), (2805, 7148237), (3135, 6395791), (3553, 5643345), (4285, 4679301), (4829, 4152165), (4845, 4138453), (6585, 3044921), (7463, 2686695), (8341, 2403885), (9427, 2126955), (10659, 1881115), (12855, 1559767), (14487, 1384055), (14569, 1376265), (16283, 1231395), (17765, 1128669), (22389, 895565), (24145, 830433), (25023, 801295), (28281, 708985), (37315, 537339), (41705, 480777), (43707, 458755), (47135, 425391), (48849, 410465), (53295, 376223), (72435, 276811), (72845, 275253), (81415, 246279), (82093, 244245), (91751, 218535), (111945, 179113), (125115, 160259), (141405, 141797)]