20188500525

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 37886771520

約数和(自身を除く): 17698270995

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 61, 75, 107, 177, 183, 225, 233, 295, 305, 321, 531, 535, 549, 699, 885, 915, 963, 1165, 1475, 1525, 1605, 2097, 2655, 2675, 2745, 3495, 3599, 4425, 4575, 4815, 5825, 6313, 6527, 8025, 10485, 10797, 13275, 13725, 13747, 14213, 17475, 17995, 18939, 19581, 24075, 24931, 31565, 32391, 32635, 41241, 42639, 52425, 53985, 56817, 58743, 68735, 71065, 74793, 89975, 94695, 97905, 123723, 124655, 127917, 157825, 161955, 163175, 206205, 213195, 224379, 269925, 284085, 293715, 343675, 355325, 373965, 385093, 473475, 489525, 618615, 623275, 639585, 809775, 838567, 1031025, 1065975, 1121895, 1155279, 1420425, 1468575, 1470929, 1520791, 1869825, 1925465, 2515701, 3093075, 3197925, 3465837, 4192835, 4412787, 4562373, 5609475, 5776395, 7354645, 7547103, 7603955, 9627325, 12578505, 13238361, 13687119, 17329185, 20964175, 22063935, 22811865, 28881975, 36773225, 37735515, 38019775, 62892525, 66191805, 68435595, 86645925, 89726669, 110319675, 114059325, 188677575, 269180007, 330959025, 342177975, 448633345, 807540021, 1345900035, 2243166725, 4037700105, 6729500175, 20188500525]

約数ペア:

[(1, 20188500525), (3, 6729500175), (5, 4037700105), (9, 2243166725), (15, 1345900035), (25, 807540021), (45, 448633345), (59, 342177975), (61, 330959025), (75, 269180007), (107, 188677575), (177, 114059325), (183, 110319675), (225, 89726669), (233, 86645925), (295, 68435595), (305, 66191805), (321, 62892525), (531, 38019775), (535, 37735515), (549, 36773225), (699, 28881975), (885, 22811865), (915, 22063935), (963, 20964175), (1165, 17329185), (1475, 13687119), (1525, 13238361), (1605, 12578505), (2097, 9627325), (2655, 7603955), (2675, 7547103), (2745, 7354645), (3495, 5776395), (3599, 5609475), (4425, 4562373), (4575, 4412787), (4815, 4192835), (5825, 3465837), (6313, 3197925), (6527, 3093075), (8025, 2515701), (10485, 1925465), (10797, 1869825), (13275, 1520791), (13725, 1470929), (13747, 1468575), (14213, 1420425), (17475, 1155279), (17995, 1121895), (18939, 1065975), (19581, 1031025), (24075, 838567), (24931, 809775), (31565, 639585), (32391, 623275), (32635, 618615), (41241, 489525), (42639, 473475), (52425, 385093), (53985, 373965), (56817, 355325), (58743, 343675), (68735, 293715), (71065, 284085), (74793, 269925), (89975, 224379), (94695, 213195), (97905, 206205), (123723, 163175), (124655, 161955), (127917, 157825)]